Publications List (550+) as of July 2019
Books (4) :
- J. H. Koo, Ablation Science and Technology: Processing, Characterization, and Modeling, Cambridge University Press, Cambridge, UK (2019), forthcoming.
- J. H. Koo, Polymer Nanocomposites: Processing, Characterization, and Applications, 2nd Ed., McGraw-Hill, New York (2019), forthcoming in May 2019.
- J. H. Koo, Fundamentals, Properties, and Applications of Polymer Nanocomposites, Cambridge University Press, Cambridge, UK (2016).
4. J. H. Koo, Polymer Nanocomposites: Processing, Characterization, and Applications, 1st Ed., McGraw-Hill, New York (2006).
Book Chapters (14):
- J. H. Koo, E. Yao, and B. Lisco, “Thermal Protection Materials and Internal Insulation,” D. Greatix, ed., Solid-Propellant Rocket Motor, AIAA, Reston, VA (2019), accepted.
- J. H. Koo and J. Langston, “Polymer Nanocomposite Ablative Technologies for Solid Rocket Motors,” G-Q. He, Q-L. Yan, P-J. Liu, and M. Gozin, eds., Nanomaterials in Rocket Propulsion Systems, Elsevier, Oxford, UK (2019), pp. 423-494, doi: 10.1016/B978-0-12-813908-0.00001-0.
- B. Wardle, J. H. Koo et al. “Advanced Nanoengineering Materials,” in Aerospace Materials and Applications, B. Bhatt, ed., AIAA, Reston, VA (2018), pp. 275-304.
- J. H. Koo, “Polymers and Composites,” in Aerospace Materials and Applications, B. Bhatt, ed., AIAA, Reston, VA (2018), pp. 132-157.
- J. H. Koo and T. Mensah, “Novel Polymer Nanocomposite Ablative Technologies for Thermal Protection of Propulsion and Reentry System for Space Application,” T. Mensah, B. Wang, J, Winter, and V. Davis, eds., Nanotechnology Commercialization: Manufacturing Processes and Products, Wiley, New York (2018), pp. 177-244, doi: 10.1002/9781119371762.ch6.
- J. H. Koo, M. Natali, et al., “Polymer Nanocomposites as Ablative Materials: A Comprehensive Review,” in Characterization of Nanocomposites: Technology and Industrial Applications, F. Abdi and M. Garg, eds., Pan Stanford Publishing, Singapore (2017), pp.159-214.
- J. H. Koo, R. Ortiz, B. Ong, and H. Wu, “Polymer Nanocomposites for Laser Additive Manufacturing,” in Laser Additive Manufacturing: Materials, Design, Technologies, and Application, M. Brandt, ed., Woodhead Publishing Series in Electronic and Optical Materials Number 88, Elsevier, Oxford, UK (2017), pp. 205-235, doi: 10.1016/B978-0-08-100433-3.00008-7.
- P. Ambuken, H. Stretz, J. H. Koo, J. Lee, and R. Trejo, “High Temperature Flammability and Mechanical Properties of Thermoplastic Polyurethane Nanocomposites,” in Fire and Polymers VI: New Advances in Flame Retardant Chemistry and Science, C. Wilkie and A. Morgan, eds., ACS Books Series, ACS, Washington, DC (2012), pp. 344-360.
- J. H. Koo, S.C. Lao, and J.C. Lee, “Flame Retardancy Characterization of Polymer Nanocomposites,” in Characterization Techniques for Polymer Nanocomposites, V. Mittal, ed., Wiley-VCH, Weinheim, Germany (2012), pp. 33-74.
- J. H. Koo, O. A. Ezekoye, J. C. Lee, W. K. Ho, and M. C. Bruns, “Rubber-Clay Nanocomposites Based on Thermoplastic Elastomers,” in Rubber-Clay Nanocomposites, M. Galimberti, ed., John Wiley & Sons, Hoboken, NJ (2011), pp.489-521.
- J. H. Koo and L. A. Pilato, “Carbon Nanocomposite Ablative Materials,” in Carbon in Thermal Management, K. Lafdi, ed., Springer Verlag, New York (2010).
- J. H. Koo and L. A. Pilato, “Thermal Properties and Microstructures of Polymer Nanostructured Materials,” in Nanoengineering of Structural, Functional, and Smart Materials, M.J. Schulz, A. Kelkar, M.J. Sundaresan, eds., CRC Press, Boca Raton, FL (2006), pp. 409-441.
- J. H. Koo, S. Venumbaka, and W. Wootan, “Flammability Studies of Fire Retardant Coatings on Wood,” Fire and Polymers: Materials and Solutions for Hazard Prevention, G.L. Nelson and C.A. Wilkie, eds., ACS Symposium Series 797, ACS, Washington DC (2001), pp. 361-374.
- J. H. Koo and E. D. Hirleman, “Review of Principles of Optical Techniques for Particle Size Measurements,” in Recent Advances of Spray Combustion: Spray Atomization and Drop Burning Phenomena Volume I, K.K. Kuo, ed., Progress in Astronautics and Aeronautics Series Volume 166, AIAA, Washington, DC (1996), pp. 3-32.
Journal Articles (82):
- J. H. Koo and L. Pilato, “Polymer nanocomposite ablatives –part ii,” International Journal of Energetic Materials and Chemical Propulsion, (2020) 19(2). doi:
10.1615/IntJEnergeticMaterialsChemProp.2020030268 - O. Atak, J. H. Koo et al., “Preliminary analysis of the experimental study of ablative materials exposed to oxy-acetylene test bed with modeling,” International Journal of Energetic Materials and Chemical Propulsion, (2020) 19(3). doi: 10.1615/IntJEnergeticMaterialsChemProp.2020030350.
- H. Wu, J. H. Koo et al., “Recent developments in polymers/polymers nanocomposites for additive manufacturing,” Progress in Materials Science (2020): 100638. doi: 10.1016/j.pmatsci.2020.100638.
- X. W. Yu, H. Wu, J. H. Koo, A. Manthiram, “Tailoring the Pore Size of a Polypropylene Separator with a Polymer having Intrinsic Nanoporosity for Suppressing the Polysulfide Shuttle in Lithium-Sulfur Batteries,” Advanced Energy Materials, (2019) 1902872. doi:
10.1002/aenm.201902872. - S. Kumar, J. H. Koo et al, “Additively manufactured structural polyetheretherketone (PEEK) with carbon nanostructure reinforcement of biomedical applications,” Adv. Eng. Mater. (2020) Accepted Author Manuscript. doi: 10.1002/adem.202000483.
- S. Kumar, J. H. Koo et al., “Multifunctional performance of carbon nanotubes and graphene nanoplatelets reinforced PEEK composites enabled via FFF additive manufacturing,” Composites Part B, (2020), 184, 107625. doi: 10.1016/j.compositesb.2019.107625.
- L. Yao, J. H. Koo et al., “Design and characterization of flame-resistant blended nondrip PA6/Lenzing FR/PBI fiber nonwoven fabrics,” Flame Retardancy and Thermal Stability Materials, (2019), accepted.
- Y. Wang, T. K. Risch, and J. H. Koo, “Validation of one-dimensional finite element charring ablation material response model of phenolic-impregnated carbon ablator,” Aerospace Science and Technology, (2019), accepted.
- H. Wu, J. H. Koo et al., “Rubber toughened Flame retardant polyamide 11 nanocomposites for Selective Laser Sintering (SLS) Part 2: synergy between multi-walled carbon nanotube (MWNT) and MMT nanoclay,” Flame Retardancy and Thermal Stability Materials, (2019), accepted.
- H. Wu, J. H. Koo et al., “Multi-functional ULTEM™1010 Composite Filaments for Additive Manufacturing Using Fused Filament Fabrication (FFF),” Additive Manufacturing, (2018), 24: 298-306, doi: 101016/j.addma.2018.10.014.
- H. Wu, J. H. Koo et al., “Rubber toughened Flame retardant polyamide 11 nanocomposites for Selective Laser Sintering (SLS) Part 1: the effect of SEBS-g-MA elastomer and nanoclay,” Flame Retardancy and Thermal Stability Materials, (2018), 1: 25-38, doi: 10.1515/flret-2018-0003.
- K. Schellhase, J. H. Koo et al., “Experimental Characterization of Material Properties of Novel Silica/Polysiloxane Ablative,” J. of Spacecraft and Rockets, (2018), doi: 10.2514/1.A34044.
- J. H. Koo, M. Natali et al., “In Situ Ablation Recession and Thermal Sensor for Thermal Protection Systems,” J. of Spacecraft and Rockets, (2018), 55(4):783-796, doi: 10.2514/1.A33925.
- H. Wu, J. H. Koo et al., “Self-Extinguishing and Non-Drip Flame Retardant Polyamide 6 Nanocomposite: Mechanical, Thermal, and Combustion Behavior,” Flame Retardant and Thermal Stability of Materials, (2017), 1: 1-13, doi: 10.1515/flret-2018-0001.
- H. Wu, M. Krifa, J. H. Koo, “Rubber (SEBS-G-MA) Toughened Flame Retardant Polyamide 6: Microstructure, Combustion, Extension, and Izod Impact Behavior, Polymer-Plastics Technology and Engineering,” Polymer-Plastics Technology and Engineering, (2017).
- J. Lewis, J. H. Koo et al., “Development of a Shear Char Strength Sensing Technique to Study Thermoplastic Polyurethane Elastomer Nanocomposites,” Polymer for Advanced Technologies (2017), 28(12):1707-1725, doi: 10.4044.1002/pat.
- M. Rallini, H. Wu, M. Natali, J. Koo, L. Torre, “Nanostructured phenolic matrices: Effect of different nanofillers on the thermal degradation properties and reaction to fire of a resol,” Fire and Materials (2017), doi:10.1002/fam.2425.
- S. Rogalsky, J. H. Koo et al., “Structural, thermal and antibacterial properties of polyamide 11/polymeric biocide polyhexamethylene guanidine dodecylbenzeesulfonate composites,” J. of Materials Science, (2016), doi: 10.1007/s10853-016-0054-x.
- D. B. Larson, K. K. Kuo, J. H. Koo et al., “Formulation, Casting, and Evaluation of Paraffin-based Solid Fuels Containing Energetic and Novel Additives for Hybrid Rockets,” International Journal of Energetic Materials and Chemical Propulsion, (2015), 14(6), doi:10.1615/IntJEnergeticMaterialsChemProp.2015005757.
- Y. Dong, J. H. Koo et al. “Ammonium alcohol polyvinyl phosphate intercalated LDHs/epoxy nanocomposites: flame retardancy and mechanical properties,” Journal of Thermal Analysis and Calorimetry, (2015), doi: 10.1007/s10973-015-4718-6.
- X. Yin, M. Krifa, J. H. Koo, “Flame-Retardant Polyamide 6/Carbon Nanotube Nanofibers: Processing and Characterization,” J. of Engineered Fibers and Polymers, (2015), 10(3).
- Y. Dong, B. Lisco, H. Wu, J. H. Koo, and M. Krifa, “Flame Retardancy and Mechanical Properties of Ferrun Ammonium Phosphate-Halloysite/Epoxy Polymer Nanocomposites,” J. of Applied Polymer Science, (2014), doi: 10.1002/APP 41681.
- A. Hao, J. H. Koo et al., “Mechanical, thermal, and flame-retardant performance of polyamide 11-Halloysite nanotube Nanocomposites,” J. of Materials Science, (2014), doi: 10.1007/s10853-014-8575-7.
- C. Yee, M. Ray, F. Tang, J. Wan, J. H. Koo, and M. Natali, “In-situ Ablation Recession and Thermal Sensor Based on Ultra-Fine Thermocouples,” J. of Spacecraft and Rockets, 51(6) (2014), 1789-1796, doi: http/arc.aiaa.org/doe/abs/10.2514/1.A32926.
- M. Jaramillo, J. H. Koo, and M. Natali, “Compressive Char Strength of Polyurethane Elastomer Nanocomposites,” Polymers for Advanced Technology, 25 (77), (2014), 742-751, doi: 10.1002/pat.3287.
- M. Natali, J. H. Koo, E. Allcorn, and O. A. Ezekoye, “An in-situ ablation recession sensor for carbon/carbon ablatives based on commercial ultra-miniature thermocouples,” Sensors and Actuators B: Chemical, (2014), doi: 10.1016/j.snb.2014.01.022.
- P. V. Ambuken, H. A. Stretz, J. H. Koo, J. Messman, and D. Wong, “Effect of addition of montmorillonite and carbon nanotubes on a thermoplastic polyurethane: high temperature thermomechanical properties,” Polymer Degradation and Stability, (2014), doi: 10.1016/j.polymdegradstab.2014.01.017.
- S. Wang, D. Haldane, P. Gallagher, T. Liu, R. Liang, and J. H. Koo, “Heterogeneously Structured Conductive Carbon Fiber Composites using Multi-Scale Silver Particles,” Composites Part B, 66, (2014), 172-180, doi: 10.1016/j.compositesb.2014.01.049.
- Wu, M. Krifa, J. H. Koo, “Flame retardant polyamide 6/nanoclay/intumescent nanocomposite fibers through electrospinning,” Textile Research Journal, (2014), 84(10): 1106-1118, doi: 10.1177/0040517513515314.
- W. Jiang, S. Sundarram, D. Wong, J. H. Koo, and W. Li, “Polyetherimide nanocomposite foams as an ablative for thermal protection applications,” Composites Part B, 58, (2014), 559-565.
- M. Yuan, B. Johnson, J. H. Koo, and D. Bourell, “Polyamide 11-MWNT nanocomposites: Thermal and electrical conductivity measurements,” J. of Composite Materials, (2013), doi: 10.1177/002199831349075.
- J. H. Koo, M. Natali, J. Tate, and E. Allcorn, “Polymer Nanocomposites as Advanced Ablatives – A Comprehensive Review,” International Journal of Energetic Materials and Chemical Propulsion, 12 (2), (2013), 119-162.
- J. S. Tate, S. Gaikwad, N. Theodoropoulou, E. Trevino, and J. H. Koo, “Carbon/Phenolic Nanocomposites as Advanced Thermal Protection Material in Aerospace Applications,” J. of Composites, (2013), Volume 2013, Article ID 403656, 9 pages, doi: 10.1155/2013/403656.
- E. K. Allcorn, M. Natali, and J. H. Koo, “Ablation performance and characterization of thermoplastic polyurethane elastomer nanocomposites,” Composites: Part A, 45, (2013), 109-118, doi: 10.1016/i.compositesa.2012.08.017.
- S. Gaikwad, J. S. Tate, N. Theodoropoulou, and J. H. Koo, “Electrical and mechanical properties of PA11 blended with nanographene platelets using industrial twin-screw extruder for selective laser sintering,” J. of Composite Materials, (2012), doi: 10.1177/0021998312460560.
- J. S. Tate, S. V. Gaikwad, C. J. Jacobs, W. A. Stapleton, N. Theodoropoulou, and J. H. Koo, “PA11 Blended with Graphene Nanoplatelets using Sonication for Electrostatic Charge Dissipation Applications,” Nano Trends: A Journal of Nanotechnology and Its Applications, 13 (1), (2012), 18-31.
- J. H. Koo, M. J. Miller, J. Weispfenning, and C. Blackmon, “Silicone Polymer Composite for Thermal Protection of Naval Launching System,” J. Spacecraft and Rockets, 48(6), (2011), 904-919, doi: 10.2514/1.46534.
- C. J. Jacobs, J. S. Tate, B. Olson, N. Theodoropoulou, and J. H. Koo, “Thermal Characterization of Polyamide 11/Nanographene Platelet Nanocomposites,” J. of Nanoscience and Nanotechnology, 11, (2011), 1-7.
- S. C. Lao, J. H. Koo et al., “Flame-retardant polyamide 11 nanocomposites: further thermal and flammability studies,” J. of Fire Sciences, 29(6), (2011), 479-498.
- D. Kavakov, J. S. Tate, and J. H. Koo, “Effect of Dispersion Techniques on Thermal and Mechanical Properties of Phenolic/E-Glass Nanocomposites,” J. of Fire Sciences, (2011), doi: 10.1177/0734904110396160, Feb. 10, 2011.
- J. H. Koo, M. J. Miller, J. Weispfenning, and C. Blackmon, “Silicone polymer composites for thermal protection system: fiber reinforcements and microstructures,” J. of Composite Materials, 45 (13), (2011), 1363-1380.
- J. S. Tate, D. Kavakov, and J. H. Koo, “Carbon/Phenolic Nanocomposites: Ablative Applications,” SAMPE J., 47 (3), (2011), 36-43.
- J. H. Koo, S. C. Lao et al., “Morphology and thermal characterization of nanographene platelets,” J. of Materials Science, 46 (10), (2011), 3583.
- S. C. Lao, J. H. Koo et al., “Flame-retardant Polyamide 11 and 12 Nanocomposites: Processing, Morphology, and Mechanical Properties,” J. of Composite Materials, 44 (25), (2010), 2933-2951.
- W. K. Ho, J. H. Koo, and O. A. Ezekoye, “Thermoplastic Polyurethane Elastomer Nanocomposites: Morphology, Thermophysical, and Flammability Properties,” J. of Nanomaterials, (2010), Article ID 583224.
- J. H. Koo, K. Nguyen, J. C. Lee, W. K. Ho, M. C. Bruns, and O. A. Ezekoye, “Flammability Studies of a Novel Class of Thermoplastic Elastomer Nanocomposites,” J. of Fire Sciences, 28 (1), (2010), 49-85.
- S. C. Lao, T. Moon, J. H. Koo et al., “Flame-retardant Polyamide 11 and 12 Nanocomposites: Thermal and Flammability Properties,” J. of Composite Materials, 43 (17), (2009), 1803-1816.
- L. Moore, A. Cummings, J. M. Jensen, L. Shi, J. H. Koo, “Thermal Conductivity Measurements of Nylon 11-Carbon Nanofiber Nanocomposites,” J. of Heat Transfer, 131 (9), (2009), 1-5.
- W. K. Ho, J. H. Koo, and O. A. Ezekoye, “Kinetics and Thermophysical Properties of Polymer Nanocomposites for Solid Rocket Motor Insulation,” J. of Spacecraft and Rockets, 46 (3), (2009), 526-544.
- M. C. Bruns, J. H. Koo, and O. A. Ezekoye “Population-Based Models of Thermoplastic Degradation: Using Optimization to Determine Model Parameters,” Polym Deg Stab., 94, (2009), 1013-1022.
- Z. P. Luo and J. H. Koo, “Quantitative electron microscopy of carbon nanofibers/nanotubes enhanced polymer nanocomposites,” Materials Letters, 62 (2008), 3493-3496.
- Z. P. Luo and J. H. Koo, “Determining the layer dispersion degree in polymer layered silicate nanocomposites by quantitative transmission electron microscopy,” Polymer, 49 (2008), 1841-1852.
- L. A. Pilato, J. H. Koo, G. E. Wissler, and S. Lao, “Phenolic and Related Resins and Their Nanomodification into Phenolic Resin FRP Systems,” J. of Advanced Materials, 40 (3), (2008), 5-16.
- J. H. Koo, L. Pilato, and G. Wissler, “Polymer Nanostructured Materials for Propulsion Systems,” J. of Spacecraft and Rockets, 44 (6), (2007), 1250-1262.
- T. Silverman, J. H. Koo et al., “Material Properties and Microstructural Characterization of Specimens Manufactured by Selective Laser Sintering,” Manufacturing Engineering, May 2007.
- L. P. Lao and J. H. Koo, “Quantifying the Dispersion of Mixture Microstructures,” J. of Microscopy, 225 (2), (2007), 118-125.
- K. Liang, G. Li, H. Toghiani, J.H. Koo, and C.U. Pittman, “Cyanate Ester/Polyhedral Oligomeric Silsesquioxane (POSS) Nanocomposites: Synthesis and Characterization,” Chem. Mater., 18 (2), (2006), 301-312.
- J. H. Koo, L. Pilato, G.E. Wissler, “Polymer Nanostructured Materials for High Temperature Applications,” SAMPE J., 41 (2), (2005), 7.
- H. Stretz, W. Wootan, J. H. Koo, and P.E. Cassidy, “Effect of exfoliation on poly(styrene-co-acrylonite)/montmorillonite nanocomposite flammability,” Polym. Adv. Technol., 16, (2005), 1-10.
- J. H. Koo and G. Schoeppner, “Aerospace 2003: Materials,” Aerospace America, 41 (12).
- Y. C. Shih, J. H. Koo et al, “Numerical Study of Transient Thermal Ablation of High-Temperature Insulation Materials,” J. of Thermophysics and Heat Transfer, 17 (1), (2003), 53-61.
- J. H. Koo and G. Schoeppner, “Aerospace 2002: Materials,” Aerospace America, 40 (12), p. 83.
- J. H. Koo and G. Schoeppner, Aerospace 2001: Materials,” Aerospace America, 39 (12), p. 86.
- R. J. C. McLean, J. H. Koo et al., “Bacterial Biofilm Formation under Microgravity Conditions,” FEMS Microbiology Letters, 195, (2001), 115-119.
- J. H. Koo and P. Marchol, “Aerospace 2000: Materials,” Aerospace America, December 2000, p. 79.
- J. H. Koo, S. Venumbaka et al., “Flammability Studies of Thermally Resistant Polymers Using Cone Calorimetry,” Fire and Materials, 24, (2000), 209-218.
- J. H. Koo and D. Trawinski, “Aerospace ’99: Materials,” Aerospace America, December 1999, p. 87.
- F. B. Cheung, J. H. Koo et al., “Theoretical Modeling of Intumescent Fire Resistant Materials,” J. of Fire Sciences, 16 (1), (1998), 46-71.
- J. H. Koo, “Thermal Characterization of a Ceramic Intumescent Material,” Fire Technology, 34 (1), (1998), 59-71.
- J. H. Koo et al., “Effect of High Temperature Additives to Fire Resistant Materials,” J. of Fire Sciences, 15 (6), (1997), 488-504.
- J. H. Koo, “Thermal Characteristics Comparison of Two Fire Resistant Materials,” J. of Fire Sciences, 15 (3), (1997), 203-221.
- M. VanMeter, J. H. Koo et al., “Mechanical Properties and Material Behavior of a Glass Silicone Polymer Composite,” Science of Advanced Materials and Process Engineering Series, 40, (1995), SAMPE, Covina, CA, 1425-1434.
- D. Wilson, D. Beckley, and J. H. Koo, “Development of silicone matrix-based advanced composites for thermal protection,” High Performance Polymer, 6 (2), (1994), 165-181.
- J. H. Koo, D. Wilson et al., “Performance Envelope of a Silicone Polymer Composite,” Science of Advanced Materials and Process Engineering Series, SAMPE, Covina, CA, 39, (1994), 1576-1589.
- J. H. Koo and G. Gobbs, “Aerospace ’93: Propellants and Combustion,” Aerospace America, December 1993, p. 58.
- F. Cheung, J. H. Koo et al., “Modeling of One-Dimensional Thermo-Mechanical Erosion of High-Temperature Ablatives,” J. of Applied Mechanics, 60, (1993), 1027-1032.
- J. H. Koo, M. Miller et al., “Evaluation of Fiber-Reinforced Composites Ablatives for Thermal Protection,” Science of Advanced Materials and Process Engineering Series, 38, (1993), SAMPE, Covina, CA, 1085-1098.
- J. H. Koo, D. Dalenberg et al., “The Effect of Major Constituents in High-Temperature Composite Ablatives on Material Performance,” Science of Advanced Materials and Process Engineering Series, 38, (1993), SAMPE, Covina, CA, 1117-1128.
- J. H. Koo and E. D. Hirleman, “A Synthesis of Integral Transform Solutions for Reconstruction of Particle Size Distribution from Forward-Scattered Light,” Applied Optics, 31, (1992), 2130.
- J. H. Koo, M. Kneer et al., “A Cost-Effective Approach to Evaluate High-Temperature Ablatives for Military Applications,” Naval Engineers Journal, 104 (3), (1992), 166-177.
- J. H. Koo, S. Lin et al., “Performance of High-Temperature Polymer Composite Ablatives under a Hostile Environment,” Science of Advanced Materials and Process Engineering Series, 37, (1992), SAMPE, Covina, CA, 506-520.
- K. K. Kuo, J. H. Koo et al., “Transient Combustion in Mobile Gas-Permeable Propellants,” ACTA Astronautica, 3 (7-8), (1976), 573-591.
In Review (3):
- W. Fahy, H. Wu, J. H. Koo, “Development of Polyamide 11 Alumina Nanofiber Composites for Additive Manufacturing”, Flame Retardancy and Thermal Stability Materials, (2020), in review.
- R. McDermott, J. Tate, J. H. Koo, “2.5D silica/polysiloxane composite for thermal protection systems,” Aerospace Science and Technology, (2020), in review.
- E. Liu, J. H. Koo, et al., “A comparative study on ablation performance, thermal properties, and microstructures of 2D, 2.5D, and 3D carbon/phenolic ablatives,” Composites Part B, (2020), in review.
Inventions and Patents (1):
- C. U. Pittman, R. L. Blanski, J. H. Koo, P. N. Ruth, and S. H. Phillips, “Rocket Motor Insulation,” U.S. Patent No. US 7,820,285 B1, Oct. 26, 2010.
Reviewed Publications (322):
- C. Yee, J.H. Koo, et al., “Aerothermal Evaluation of Novel and Modified Ablative Composite Systems for Hypersonic Applications,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- S. Kim, J.H. Koo, et al., “Thermogravimetric Analysis as an Indicative Tool of Ablation Performance for Low-Density Flexible Thermal Protection Systems Material for Hypersonic Vehicles,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- S. Kim, J.H. Koo, et al., “Additive Manufacturing of Continuous Carbon Fiber Reinforced Polysiloxane for Thermal Protection,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- W. Fahy, J.H. Koo, et al., “Low-Density Flexible Thermal Protection Systems Material for Hypersonic Vehicles,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- J.H. Koo, Colin Yee, et al., “X-Ray Micro-Tomography of Fiber Preforms and Ablative Composites,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- S. Bernstein, J.H. Koo, et al., “Comparison of Material Response Modeling Methods of Low-Density Thermal Protection System Materials for Hypersonic Applications,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- J. Murray, N. Clemens, J.H. Koo, et al, “Optical Diagnostics in the Reaction Layer of Carbon Fiber/Phenolic and Carbon-Fiber/Cyanate Ester Molded Composites in a High Temperature Air Plasma,” 2022 NSMMS & CRASTE Joint Symposia, Madison, WI, June 27-30, 2022.
- J.H. Koo and J. Wang, “Low-density Flexible and Conformable Thermal Protection Systems Materials: A Review,” AIAA-2022-1608, 2022 AIAA SciTech Forum, San Diego, CA, Jan. 3-7, 2022.
- S. Kim, J.H. Koo, et al., “Polysiloxane/Aerogel Nanocomposites: Extended Morphology, Thermal, and Flame-resistant Properties,” AIAA-2022-1239, 2022 AIAA SciTech Forum, San Diego, CA, Jan. 3-7, 2022.
- H. Wu, J.H. Koo, “High-Temperature Polymers and Their Composites for Extreme Environments: A Review,” AIAA-2022-1606, 2022 AIAA SciTech Forum, San Diego, CA, Jan. 3-7, 2022.
- Y. Hou, J.H. Koo et, “Performance Carbon-Fiber/Polysiloxane Composite: Thermal, Ablation, Flammability, and Mechanical Characterization,” AIAA-2022-1609, 2022 AIAA SciTech Forum, San Diego, CA, Jan. 3-7, 2022.
- Y-C. Chang, J.H. Koo, et al., “Ablation Performance of Gradient Insulated Structure for Thermal Protection Systems,” AIAA-2022-0722, 2022 AIAA SciTech Forum, San Diego, CA, Jan. 3-7, 2022.
- Kafi, J.H. Koo, et al., “Thermal. Flammability, and Ablation Performance of Additively Manufactured PEKK Composites for Thermal Protection Systems,” 2021 CAMX, Dallas, TX, Oct. 18-21, 2021.
- S. Kim, J.H. Koo, et al., “Polysiloxane/Aerogel Nanocomposites: Morphology, Thermal, and Flame-resistant Properties,” 2021 CAMX, Dallas, TX, Oct. 18-21, 2021.
- C. Yee, J.H. Koo, “Material Response Modeling of MXB-360 & MXBE-350 Glass/Phenolic Composites,” 2021 CAMX, Dallas, TX, Oct. 18-21, 2021.
- Y-C. Chang, J.H. Koo, “Ablation Performance of Insulated Structure for Thermal Protection System,” 2021 CAMX, Dallas, TX, Oct. 18-21, 2021.
- C. Yee, J.H. Koo, et al., “Aerothermal Evaluation of High Temperature Composites for Hypersonic Applications,” Proc. 2021 NSMMS, Virtual, June 21-24, 2021.
- W. Fahy, J.H. Koo, et al., “Dual-Layer Carbon- and Glass-Fiber Reinforced Ablative System,” Proc. 2021 NSMMS, Virtual, June 21-24, 2021.
- Y. Hou, J.H. Koo, et al., “Additive Manufacturing of Flame-Retardant Nylon 6/66,” Proc. 2021 SAMPE, Long Beach, CA, May 24-27, 2021.
- C. Yee, J. H. Koo et al., “Review of Ablative Polymer Nanocomposites and Ultra High Temperature Ceramics for Hypersonic Applications,” AIAA-2021-1586, 2021 AIAA SciTech Forum, Virtual, Jan. 12-20, 2021.
- H. Wu, J. H. Koo et al., “Ablation Performance of 3D Printed Continuous Carbon Fiber-Reinforced PEEK,” AIAA-2021-0535, 2021 AIAA SciTech Forum, Virtual, Jan. 12-20, 2021.
- S. Kim, J. H. Koo et al., “Polysiloxane/Aerogel Nanocomposites: Morphology, Thermal, and Flame-resistant Properties,” AIAA-2-21-0273, 2021 AIAA SciTech Forum, Virtual, Jan. 12-20, 2021.
- W. Fahy, J. H. Koo et al., “Recent Developments of NASA and ESA Ablative Thermal Protection Systems for Space Exploration,” AIAA-2021-1474, 2021 AIAA SciTech Forum, Virtual, Jan. 12-20, 2021.
- Y. Chang, J. H. Koo et al., “Design of Additively-Manufactured Lattice Structure for Thermal Protection System: Thermal Characterization and Ablation Performance,” AIAA-2021-0671, 2021 AIAA SciTech Forum, Virtual, Jan. 12-20, 2021.
- Y. Chang, J. H. Koo et al., “Additive Manufacturing of Multifunctional Lattice Structure-Based Concept for Thermal Protection System,” Proc. 2020 CAMX, Virtual, Sept. 2020.
- C. Yee, J. H. Koo et al., “Validation of the ITRAC material Response Code for Glass/Phenolic Composite,” Proc. 2020 CAMX, Virtual, Sept. 2020.
- B. Dyatkin, J. H. Koo et al., “Reinforced Zirconium Carbide Ceramic Composites for High-Temperature Environments,” Proc. 2020 NSMMS & CRASTE, Virtual, June 22-25, 2020.
- Y. Chang, J. H. Koo et al., “Additive Manufacturing of Multifunctional Lattice Structure-Based Concept for Thermal Protection System,” Proc. 2020 NSMMS & CRASTE, Virtual, June 22-25, 2020.
- C. Yee, J. H. Koo et al., “Methodology for Validation of Material Response Models using In-situ Ablation Sensing Methods,” Proc. 2020 SAMPE, Virtual, May 4-7, 2020.
- S. Kim, J. H. Koo et al., “Additive Manufacturing of Polyamide 6/66 Copolymer Nanocomposites: Thermal and Flammability Properties,” Proc. 2020 SAMPE, Virtual, May 4-7, 2020.
- Y. Chang, J. H. Koo et al., “Additive Manufacturing of Lattice Structure-based Meta-material Concepts for Thermal Protection Systems,” Proc. 2020 SAMPE, Virtual, May 4-7, 2020.H. Wu, A. Kafi, J. H. Koo et al., “Ablation Performances of Additively Manufactured High-Temperature Thermoplastic Polymers,” AIAA 2020 SciTech Forum, Orlando, FL, Jan. 6-9, 2020.
- C. Yang, J. H. Koo, “Review of Sensing Techniques of Ablative Materials,” AIAA 2020 SciTech Forum, Orlando, FL, Jan. 6-9, 2020.
- Y. Zhao, B. Chen and J. H. Koo, “Aerothermal Testing of Ablatives for Material Performance,” AIAA 2020 SciTech Forum, Orlando, FL, Jan. 6-9, 2020.
- O. Atak, J. H. Koo, “Determination and comparison of the characteristics of new class of ablative materials,” 11th Ablation Workshop, University of Minnesota, Minneapolis, MN, Sept. 16-17, 2019.
- J. H. Koo, H. Wu et al., “Additive Manufacturing of Ultra-Performance Polymers for Thermal Protection Systems,” 11th Ablation Workshop, University of Minnesota, Minneapolis, MN, Sept. 16-17, 2019.
- J. H. Koo et al. “Novel polymer nanocomposite ablatives for naval missile launcher,” Proc. 2019 NSMMS & CRASTE, Henderson, NV, June 24-27, 2019.
S. Kim, J. H. Koo et al., “Evaluation of a modified fused filament fabrication material for use as thermal protection,” Proc. 2019 NSMMS & CRASTE, Henderson, NV, June 24-27, 2019. - R. McDermott, J. H. Koo et al., “Novel 2.5D silica/polysiloxane composite for thermal protection systems,” Proc. 2019 NSMMS & CRASTE, Henderson, NV, June 24-27, 2019.
- J. Langston, J. H. Koo et al., “Material response modeling of glass/phenolic and glass/rubber-modified phenolic ablatives” Proc. 2019 NSMMS & CRASTE, Henderson, NV, June 24-27, 2019.
- C. Yee, J. H. Koo et al. “In-situ ablation recession and thermal sensor for thermal protection systems,” Proc. 2019 NSMMS & CRASTE, Henderson, NV, June 24-27, 2019.
- J. H. Koo, “Polymer nanocomposites for extreme environments,” Keynote Lecture at the 2019 26th Assembly of Advanced Materials Congress, Stockholm, Sweden, June 10-13, 2019.
- H. Wu, J.H. Koo et al., “Additive manufacturing of flame-retardant polyamide 6 nanocomposites via fused filament fabrication (FFF),” Proc. 2019 SAMPE, Charlotte, NC, May 20-23, 2019.
- O. Atak, J.H. Koo et al., “Axisymmetric modeling of ablative materials exposed to oxy-acetylene testing,” Proc. 2019 SAMPE, Charlotte, NC, May 20-23, 2019.
- S. Kim, J.H. Koo et al., “Evaluation of a modified fused filament fabrication material for use as thermal protection,” Proc. 2019 SAMPE, Charlotte, NC, May 20-23, 2019.
- W. Fahy, J.H. Koo “Advancement in the study of 3D printable flame-retardant polyamide 11 nanocomposites,” Proc. 2019 SAMPE, Charlotte, NC, May 20-23, 2019.
- J. H. Koo, “Ablative Polymer Nanocomposites – an Updated Review,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- N. Zhao, J. Beaman, and J. H. Koo, “3D Printing of Silicon Carbide Composite by Layer-By-Layer Laser Sintering,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- S. Kim, J. H. Koo, et al., “Evaluation of a Modified Fused-Filament-Fabrication Material for Use as Thermal Protection,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- R. McDermott, J. H. Koo, et al., “Affordable Advanced Thermal Protection System Composite using Needle Punched (2.5D) Silica Fabrics,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- S. Kim, J. H. Koo, et al., “Review of Polymers/Polymer Nanocomposites Used in Additive Manufacturing: Properties and Applications,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- H. Wu, J. H. Koo, et al., “Additive manufacturing of Carbon Fiber/Carbon Nanotube hybrid Polyamide 6/66 nanocomposites using Fused deposition modeling,” 2018 CAMX, Dallas, TX, Oct. 15-18, 2018.
- E. Liu, J. H. Koo, et al., “A Comparative Study on Ablation Performance, Thermal properties, and Microstructures of 2D, 2.5D, and 3D Carbon/Phenolic Ablatives,” 10th Ablation Workshop, U. of Vermont, Burlington, Vermont, Sept. 17-18, 2018.
- O. Atak and J. H. Koo, “Determination of the Ablation Properties of MXBE-350 Ablative by MESA Code,” 10th Ablation Workshop, U. of Vermont, Burlington, Vermont, Sept. 17-18, 2018.
- J. H. Koo, et al., “Affordable Elastomeric Insulation Material for Solid Rocket Motors with Improved Ablation Resistance,” NSMMS/CRASTE, Madison, WI, June 24-29, 2018.
- J. Langston, J. H. Koo, et al., “In-situ Ablation Recession/Thermal Sensor and Material Response Modeling of PICA,” NSMMS/CRASTE, Madison, WI, June 24-29, 2018.
- W. Fahy, J.H. Koo, et al., “Flame Retardant Polyamide 11 and Alumina Nanocomposites for Additive Manufacturing,” 2018 SAMPE ISTC, Long Beach, CA, May 21-24, 2018.
- R. Menz, J. H. Koo, et al., “Characterization of 3-D Woven Carbon/Phenolic using In-Situ Ablation Sensing, Video Imaging, and Numerical Simulation,” AIAA-2018-0098, 2018 AIAA SciTech Forum, Kissimmee, FL, Jan. 8-12, 2018.
- J. Langston, J. H. Koo, et al., “Validation and Determination of Critical Parameters for a Material Ablation Model using the Charring Ablation Response Program,” AIAA-2018-2163, 2018 AIAA SciTech Forum, Kissimmee, FL, Jan. 8-12, 2018.
- H. Wu, J. H. Koo, et al., “Additive Manufacturing of Thermal Protection System Materials,” AIAA-2018-0092, 2018 AIAA SciTech Forum, Kissimmee, FL, Jan. 8-12, 2018.
- M. Gist, J. H. Koo, et al., “Experimental Analysis and CHAR Modeling of Ablative Carbon Phenolic Composite,” AIAA-2018-1371, 2018 AIAA SciTech Forum, Kissimmee, FL, Jan. 8-12, 2018.
- M. Berdoyes, J. H. Koo, et al., “Ablation Experimental Characterization and Numerical Investigation of a 3-Dimensionally Built Carbon/Phenolic Composite for Aerospace Applications,” 68th International Astrounautical Congress (IAC), Adelaide, Australia, Sept. 25-29, 2107.
- A. Hao, R. Liang, J. H. Koo et al., “Highly Aligned and High Concentration CNT Reinforced Composites for Aerospace Applications,” NSMMS & CRASTE, Indian Wells, CA, June 26-29, 2017.
- J. Langston, J. H. Koo et al., “Validation of Ablation Model of PICA Using NASA-JSC’s CHAR code,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- K. Schellhase, J. H. Koo et al., “Development of Silica/Polysiloxane Composites for Aerospace Applications: Processing and Characterization II,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- E. Liu, J. H. Koo et al., “Ablation Performance, Thermal Properties, and Microstructures of 2D, 2.5D, and 3D Carbon/Phenolic Ablatives,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- L. Yao, J. H. Koo et al., “Design and properties characterization of blended non-drip PA6 /Lenzing FR®/PBI fiber nonwoven fabrics,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- R. Mendez, J. H. Koo et al., “Char Strength Studies of Glass/Phenolic Ablatives and Graphite,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- J. Sammak, J. H. Koo et al., “In-Situ Ablation Sensor and Numerical Modeling to Study Three-dimensional Woven Carbon/Phenolic Ablative,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- T. Templin, J. H. Koo et al., “Effects of Oxygen: Fuel Ratio of Oxy-acetylene Flames to Carbon and Silica Fiber-Reinforced Phenolic Ablatives,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- H. Wu, J. H. Koo et al., “Flame Retardant Polyamide 6 Nanocomposites for Fused Deposition Modeling Additive Manufacturing: Processing and Properties Characterization,” SAMPE 2017 ISTC, Seattle, WA, May 22-25, 2017.
- J. H. Koo et al., “Ablative Polymer Nanocomposites – Further Review,” AIAA-2017-0347, 2017 AIAA SciTech Forum, Grapevine, TX, Jan 9-14, 2017.
- B. Lisco, J. H. Koo et al., “In-Situ Ablation and Thermal Sensing of a 3-Dimension Woven Carbon/Phenolic Composite for Computer Modeling and Simulation,” AIAA-2017-0356, 2017 AIAA SciTech Forum, Grapevine, TX, Jan 9-13, 2017.
- K. Schellhase, J. H. Koo et al., “Development of New Thermal Protection Systems Based on Silica/Polysiloxane Composites: Properties Characterization,” AIAA-2017-1367, 2017 AIAA SciTech Forum, Grapevine, TX, Jan 9-13, 2017.
- J. Langston, J. H. Koo et al., “Validation of Ablation Model of PICA Using Fully Implicit Ablation and Thermal Response Program,” AIAA-2017-0896, 2017 AIAA SciTech Forum, Grapevine, TX, Jan 9-14, 2017.
- N. Diaz, F. Stefani, J. H. Koo et al., “Model of Plume Flowfield from Oxy-acetylene Torch,” 2017 AIAA SciTech Forum, Grapevine, TX, Jan 9-13, 2017.
- J. H. Koo and M. Natali, “In-situ Ablation Recession and Thermal Sensor Based on Ultra-Fine Gage Thermocouples,” 8th Ablation Workshop, University of Arizona, Tucson, AZ, Oct. 5-6, 2016.
- A. Hao, R. Liang, J.H. Koo et al., “Heterogeneously Structured Conductive Resin Matrix/Graphite Fiber Composite for High Thermal Conductive Structural Applications,” National Space & Missile Materials Symposium (NSMMS), Westminster, CO, June 20-23, 2016.
- H. Wu, M. Krifa, and J. H. Koo, “Flame Retardant Nylon 6 Fibers by Melt-spinning,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- J. Langston, J. H. Koo et al., “Ablative Material Response of PICA,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- L. Yao, J. H. Koo et al., “Surface morphology and flammability of two flame resistant fibers and their blended nonwoven fabrics,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- Y. Hou, J. H. Koo et al., “Effects of Distribution/dispersion of Nano-sized Pigment and Temperature on Flexural Properties of an Epoxy Resin System,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- K. Schellhase, J. H. Koo et al., “Development of New Thermal Protection Systems Based on Polysiloxane/Silica Composite: Properties Characterization I,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- A. Wright, J. H. Koo et al., “In-Situ Ablation Sensing Using C-Type Thermocouples,” Proc. SAMPE 2016 ISTC, Long Beach, CA, May 23-26, 2016.
- J. Hunt and J. H. Koo, “Investigation of Ablative Properties through Advanced Video Analysis: Improving Infrared Measurement through Image-to-Object Calibration,” AIAA-2016-1977, AIAA SciTech 2016, San Diego, CA, Jan. 4-8, 2016.
- R. Ortiz and J. H. Koo, “Flame-Retardant Polyamide 11 Nanocomposites/Elastomer Blends for SLS: Further Studies,” AIAA-2016-1655, AIAA SciTech 2016, San Diego, CA, Jan. 4-8, 2016.
- H. Wu, M. Krifa, and J. H. Koo, “Rubber Toughening of Flame Retardant Polyamide 6 Nanocomposite Systems,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- R. Ortiz and J. H. Koo, “Flame-Retardant Polyamide 11/Elastomer Blends for SLS: Processing and Characterization,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015 (2nd place of MS student paper competition).
- J. H. Koo, et al., “A novel approach to measure in-situ ablation recession and thermal sensor for ablative TPS,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- Y. Hou, J. H. Koo, et al., “Effects of pigments on curing kinetics of an epoxy resin,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- B. Ong, J. H. Koo, et al., “Conductive polyamide 11 nanocomposites for selective laser sintering additive manufacturing – further studies,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- J. Hunt and J. H. Koo, “Investigation of Ablative Properties through Advanced Video Analysis,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015 (2nd place BS student paper competition).
- J. Lewis, J. H. Koo, et al., “Sensor to Measure the Shear Strength of Ablative Polymer Nanocomposites,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- K. Schellhase, R. Tatuaca, and J. H. Koo, “An in-situ ablation recession and thermal sensor for carbon/phenolic ablative,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- N. Zhao and J. H. Koo, “Simulation of the Electrical Conductivity of Carbon Nanotube Based Polymer Nanocomposite,” Proc. CAMX 2015, Dallas, TX, Oct. 26-29, 2015.
- J. H. Koo et al., “A Versatile In-situ Ablation Recession and Thermal Sensor Based on Ultra-fine Gage Thermocouples for Ablative TPS Materials,” National Space & Missile Materials Symposium (NSMMS), Chantilly, VA, June 22-25, 2015.
- S. Cameron, A. Astley, S. Leggett, G. Sirgo, and J.H. Koo, “In-situ Ablation Recession and Thermal Sensor Based on Ultra-fine Thermocouples,” Proc. SAMPE 2015 ISTC, Baltimore, MD, May 18-21, 2015.
- R. Oritz and J.H. Koo, “Brief Survey of the Implementation of Polymer Nanocomposites in Selective Laser Sintering,” Proc. SAMPE 2015 ISTC, Baltimore, MD, May 18-21, 2015.
- H. Wu, M. Krifa, and J.H. Koo, “Functionalized Nafen™ Alumina Nanofiber (AFF) Reinforced Polyamide 6 Nanocomposites: Mechanical, Thermal and Flame Retardant Properties,” Proc. SAMPE 2015 ISTC, Baltimore, MD, May 18-21, 2015.
- A. Hao, S. Wong, J. Home, M. Yang, R. Liang, and J. H. Koo, “Microstructure and High Through-thickness Thermal Conductivity of Graphite Fiber Composite for Structural Applications,” AIAA-2015-0123, AIAA SciTech 2015, Kissimmee, FL, Jan. 5-9, 2015.
- J. H. Koo, M. Natali et al., “A Versatile In-situ Ablation Recession and Thermal Sensor Adaptable for Different Ablatives,” AIAA-2015-1122, AIAA SciTech 2015, Kissimmee, FL, Jan. 5-9, 2015.
- B. Ong, H. Wu, E. Yao, and J. H. Koo, “Electrically Conductive Polyamide 11 Nanocomposites for Selective Laser Sintering: Properties and Characterization,” AIAA-2015-1353, AIAA SciTech 2015, Kissimmee, FL, Jan. 5-9, 2015.
- T. Grantham, J. H. Koo et al., “Ablation, Thermal, and Morphological Properties of SiC Fibers Reinforced Glass Ceramic Matrix Composites,” AIAA-2015-1581, AIAA SciTech 2015, Kissimmee, FL, Jan. 5-9, 2015.
- L. Gutierrez, J. H. Koo et al. “Design of Small-scale Ablative Testing Apparatus with Sample Position and Velocity Control,” AIAA-2015-1584, AIAA SciTech 2015, Kissimmee, FL, Jan. 5-9, 2015.
- B. Lisco, E. Yao, D. Pinero, and J.H. Koo, “In-situ Ablation Recession and Thermal Sensors for Low Density Ablators – Revisited,” Proc. CAMX 2014, Orlando, FL, Oct 13-16, 2014.
- Y. Hou, P. Galland, E. Davies, and J.H. Koo, “Performance Tests of Boss Hog™ Frac Plugs under Pressure and Temperature,” Proc. CAMX 2014, Orlando, FL, Oct 13-16, 2014.
- J. H. Koo, “Polymer Nanocomposites Designed for Extreme Conditions,” Proc. SAMPE Asia 2014, Seoul, Korea, Sept 16-17, 2014.
- R. Yao, B. Lisco, and J. H. Koo, “In-Situ Ablation and Thermal Sensing of PICA Low Density Ablator,” Proc. SAMPE 2014 ISSE, Seattle, WA, June 2-5, 2014.
- B. Lisco, E. Yao, D. Pinero, and J. H. Koo, “In-Situ Ablation and Thermal Sensing of AVCOAT 5026-39,” Proc. SAMPE 2014 ISSE, Seattle, WA, June 2-5, 2014.
- H. Wu, M. Krifa, and J. H. Koo, “Flame Retardant Polyamide 6/Elastomer Blends: Processing and Characterization,” SAMPE 2014 ISSE, Seattle, WA, June 2-5, 2014.
- Y. Dong, B. Lisco, E. Yao, H. Wu, M. Krifa, and J. H. Koo, “Multi-functional Properties of MAP(ZAP) Intercalated Nanograpene-PA6 Polymer Nanocomposites, Proc. SAMPE 2014 ISSE, Seattle, WA, June 2-5, 2014.
- M. Natali, J. H. Koo, E. Allcorn, and O. A. Ezekoye, “In-situ Ablation Recession Sensor of Carbon/Carbon Composites Based on Ultra-Miniature Thermocouples,” Proc. SAMPE 2014 ISSE, Seattle, WA, June 2-5, 2014.
- H. Wu, M. Krifa, and J. H. Koo, “Properties of PA6-POSS nanocomposites by melt blending,” Proc. SAMPE 2013 ISTC, Wichita, KS, Oct 21-24, 2013.
- J. Ock and J. H. Koo, “Combined Nanoparticles Effects on Properties of Polymer Nanocomposites,” Proc. SAMPE 2013 ISTC, Wichita, KS, Oct 21-24, 2013.
- I. Wong, J. H. Koo et al., “Synthesis and Characterization of Phenolic-HNT Nanocomposites,” Proc. SAMPE 2013 ISTC, Wichita, KS, Oct 21-24, 2013.
- W. Jiang, W. Li, J. H. Koo et al., “Polyetherimide Nanocomposite Foam: Ablation and Thermal Properties,” Proc. SAMPE 2013 ISTC, Wichita, KS, Oct 21-24, 2013.
- A. Kurzawski, O. A. Ezekoye, J. H. Koo, C. Yee, and T. Hardee, “Recession Experiments and Modeling for Carbon Surface Oxidation Process,” Proc. of ASME 2013 Summer Heat Transfer Conference, Minneapolis, MN, Jul 14-19, 2013.
- M. Jaramillo, D. Forinash, and J. H. Koo, “Development of an Apparatus for Measuring the Compressive and Shear Strength of Charred Ablatives,” AIAA-2013-3864, presented at the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, July 15-17, 2013.
- D. Wong, D. Pinero, J. H. Koo et al., “Ablation and Combustion Characteristics of Thermoplastic Polyurethane Elastomer Nanocomposites,” AIAA-2013-3862, presented at the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, July 15-17, 2013.
- M. Natali, J. H. Koo, E. Allcorn, and O. A. Ezekoye, “In-situ Ablation Recession Sensor Based on Ultra-Miniature Thermocouples – Part A: 0.25mm Diameter Thermocouples,” AIAA-2013-3660, presented at the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, July 15-17, 2013.
- C. Yee, M. Ray, F. Tang, J. Wan, J. H. Koo, and M. Natali, “In-situ Ablation Recession Sensor Based on Ultra-Miniature Thermocouples – Part B: 0.50mm Diameter Thermocouples,” AIAA-2013-3659, presented at the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, July 15-17, 2013.
- C. Miers, J. H. Koo et al., “Development of a Test Bed with an Increased Area for Ablation, Research,” AIAA-2013-3658, presented at the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, July 15-17, 2013.
- J. H. Koo, S. C. Lao, A. Hao, T. Moon, G. E. Wissler, and L. A. Pilato, “Role of different nanoparticles in flame retardant polyamide 11 nanocomposites,” invited talk at the 5th International Seminar on Modern Polymeric Materials for Environmental Applications, Krakow, Poland, May 15-17, 2013.
- D. Wong, J. H. Koo et al., “Thermoplastic Polyurethane Elastomer Nanocomposites: Ablation and Charring Characteristics,” Proc. SAMPE 2013 ISSE, Long Beach, CA, May 6-9, 2013.
- A. Hao, J. H. Koo et al., “Multi-component Flame Retardant Polyamide 11 Nanocomposites: Processing and Characterization,” Proc. SAMPE 2013 ISSE, Long Beach, CA, May 6-9, 2013.
- J. H. Koo, S. C. Lao, D. Pinero, B. Johnson, M. G. Baek, C. Lam, J. Lee, and L. Pilato, “Methodology for Assessment of Morphological and Thermal Characteristics of Nanographene Platelets,” AIAA-2013-1584, presented at the 54th AIAA/ASME/ASCE/AHS/ASC, SDM, Boston, MA, Apr. 8-11, 2013.
- S. C. Lao, J. H. Koo, and T. Moon, “Cyanate Ester-MWNT Nanocomposites: Processing and Characterization,” AIAA-2013-1581, presented at the 54th AIAA/ASME/ASCE/AHS/ASC, SDM, Boston, MA, Apr. 8-11, 2013.
- R. Chang, N. Irizarry, and J. H. Koo, “The Possible Hazards of Nanoparticles,” Proc. SAMPE 2012 ISTC, Charleston, SC, Oct. 22-25, 2012.
- D. Forinash, M. Jaramillo, and J. H. Koo et al., “Development of an Apparatus for Measuring the Shear Strength of Charred Ablatives,” Proc. SAMPE 2012 ISTC, Charleston, SC, Oct. 22-25, 2012.
- H. Wu, X. L. Yin, M. Krifa, M. Londa, and J. H. Koo, “Synthesis and Characterization of Flame Retardant Polyamide 6/clay Nanocomposites for Textiles,” Proc. SAMPE 2012 ISTC, Charleston, SC, Oct. 22-25, 2012.
- S. Wang, R. Liang, J. H. Koo et al., “Through-thickness Thermal Conductivity Improvement of Carbon Fiber Laminates by the Joint Use of Nanoscale and Microscale Silver Particles,” Proc. SAMPE 2012 ISTC, Charleston, SC, Oct. 22-25, 2012.
- S. C. Lao, J. H. Koo, and T. Moon, “Processing and Characterization of Cyanate Ester-MWNT Nanocomposites,” Proc. American Society for Composites 27th Technical Conference, Arlington, TX, Oct. 1-3, 2012.
- J. H. Koo, M. Natali, E. Allcorn, and J. Tate, “Advanced Polymeric Composites: An Overview of Thermal Protection,” Proc. American Society for Composites 27th Technical Conference, Arlington, TX, Oct. 1-3, 2012.
- D. B. Larson, K. K. Kuo, J. H. Koo et al., “Formulation, Casting, and Evaluation of Paraffin-based Solid Fuels Containing Energetic and Novel Additives for Hybrid Rockets,” Presented at the 9th International Symposium on Special Topics in Chemical Propulsion, Quebec City, Quebec, Canada, July 9-13, 2012.
- J. H. Koo, M. Natali, J. Tate, and E. Allcorn, “Polymer Nanocomposites for Advanced Ablative Materials – A Comprehensive Review,” Presented at the 9th International Symposium on Special Topics in Chemical Propulsion, Quebec City, Quebec, Canada, July 9-13, 2012.
- S. Gaikwad, J. S. Tate, N. Theodoropoulou, E. Trevino, M. Andrew, and J. H. Koo, “PA11/Nanographene Platelet Nanocomposites for Selective Laser Sintering,” Proc. SAMPE 2012 ISSE, Baltimore, MD, May 21-24, 2012.
- B. Johnson and J. H. Koo, “Analysis of the Selective Laser Sintering Process using Polymer Nanocomposites,” Proc. SAMPE 2012 ISSE, Baltimore, MD, May 21-24, 2012.
- J. H. Koo, M. Natali, J. Tate, and T. Mensah, “A Review of Polymer Nanocomposites as Advanced Thermal Protection Materials,” Proc. SAMPE 2012 ISSE, Baltimore, MD, May 21-14, 2012.
- J. H. Koo, E. Allcorn, B. Johnson, M. G. Baek, S. C. Lao, K. P. Carpenter, D. R. Eils, C. Leer Lake, and P. Lake, “Multi-component Polyamide 11 Nanocomposites: Thermal, Mechanical, and Flammability Properties,” AIAA-2012-1413, 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, 23-26 April, 2012.
- P. V. Ambuken, H. Stretz, J. H. Koo, J. C. Lee, and R. Trejo, “High temperature mechanical properties of thermoplastic polyurethane nanocomposites,” presented at the 6th Fire and Polymers Symposium, San Diego, CA, Mar. 25-29, 2012.
- J. H. Koo and T. Mensah, “Development of Polymer Nanocomposites as Advanced Thermal Protection Materials,” presented at CRASTE, Atlanta, GA, Oct. 24-27, 2011.
- P. Ambuken, H. Stretz, J. C. Lee, and J. H. Koo, “Char Layer Mechanical Properties for Thermoplastic Polyurethane Elastomer Nanocomposites,” presented at the AIChE Annual Meeting, Minneapolis, MN, Oct. 16-21, 2011.
- J. Tate, J. H. Koo et al, “Phenolic-MWNT Nanocomposite Ablatives-Preliminary Studies,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- S. Bulter, G. Kim, J. H. Koo, M. Londa, and A. Wagner, “Flame Retardant Polyamide 11-Halloysite Nanotube Nanocomposites: Mechanical, Thermal, and Flammability Characterization,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- B. Johnson, E. Allcorn, M. G. Baek, J. H. Koo, C. Leer-Lake, and P. Lake, “Combined Effects of MMT Clay, Carbon Nanofibers, and Flame Retardant to Mechanical and Flammability Properties of Polyamide 11 Nanocomposites,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- S. S. Sundarram, W. Li, J. H. Koo, and K. C. Chuang, “Fabrication and Characterization of High Performance Thermoset Polyimide Foams,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- J. H. Koo, M. G. Baek, B. Johnson, C. Lam, S. C. Lao, and L. A, Pilato, “Methodology for Assessment of Nanographene Platelets,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- M. Jaramillo, J. H. Koo, A. Edd, and D. Wells, “An Experimental Investigation of Char Strength of Polymer Nanocomposites for Propulsion Applications,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- E. Allcorn, M. Natali, and J. H. Koo, “Ablation Performance and Characterization of Thermoplastic Elastomer Nanocomposites,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- X. L. Yin, H. Wu, M. Krifa, M. Londa, and J. H. Koo, “Flame Retardant Polyamide 6-MWNT Nanocomposites via: Characterization and Processing via Electrospinning,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- H. Wu, X. L. Yin, M. Krifa, M. Londa, and J. H. Koo, “Fabrication and Characterization of Flame Retardant Polyamide 6 Nanocomposites via Electrospinning,” Proc. SAMPE 2011 ISTC, Fort Worth, TX, Oct. 17-20, 2011.
- E. Allcorn, B. Johnson, M. G. Baek, J. H. Koo, C. L. Lake, and P. Lake, “Combined Effects of Montmorillonite Clay, Carbon Nanofiber, and Flame Retardant on Mechanical and Flammability Properties of Polyamide 11,” Proc. 2011 SFF Symposium and Additive Manufacturing Conference, Austin, TX, Aug. 8-10, 2011.
- M. Yuan, B. Johnson, J. H. Koo, and D. Bourell, “Thermal Conductivity Measurements of PA11-MWNT Composites,” Proc. 2011 SFF Symposium and Additive Manufacturing Conference, Austin, TX, Aug. 8-10, 2011.
- E. Allcorn, S. Robinson, D. Tschoepe, J. H. Koo, and M. Natali, “Development of an Experimental Apparatus for Ablative Nanocomposites Testing,” AIAA-2011-6050, 47th AIAA/ASME/SAE Joint Propulsion Conference, San Diego, CA, Aug. 1-4, 2011.
- J. C. Lee, J. H. Koo, and O. A. Ezekoye, “Thermoplastic Polyurethane Elastomer Nanocomposite Ablatives: Characterization and Performance,” AIAA-2011-6051, 47th AIAA/ASME/SAE Joint Propulsion Conference, San Diego, CA, Aug. 1-4, 2011.
- J. S. Tate, C. Jacobs, and J. H. Koo, “Processing and Mechanical Properties Characterization of MWCNT Modified Carbon/Phenolic Nanocomposites,” Proc. International SAMPE 2011 ISSE, Long Beach, CA, May 23-26, 2011.
- J. S. Tate, C. J. Jacobs, D. Gaikwad, B. Olson, W. Stapleton, and J. H. Koo, “Thermal and Electrical Studies on Nylon 11/Nanographene Platelet Nanocomposites,” Proc. International SAMPE 2011 ISSE, Long Beach, CA, May 23-26, 2011.
- J. H. Koo, S. C. Lao, Y. Kim, C. Lam, W. Li, T. Moon, M. Londa, and L. Pilato, “Morphological and Thermal Characterization of Carbon-Based Nanomaterials,” Proc. International SAMPE 2011 ISSE, Long Beach, CA, May 23-26, 2011.
- S. C. Lao, J. H. Koo et al., “Role of Different Nanoparticles in Polyamide 11 Nanocomposites,” Proc. International SAMPE 2011 ISSE, Long Beach, CA, May 23-26, 2011.
- D. Z. Chen, J. H. Koo, S. C. Lao, “Selective Laser Sintering of Conductive Polyamide 11-MWNT Nanocomposites for Low Percolation Threshold,” Proc. International SAMPE 2011 ISSE, Long Beach, CA, May 23-26, 2011.
- J. H. Koo et al., “Methodology to Evaluate Epoxy Nanocomposites for Fire Protection Application,” AIAA-2011-1799, 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, Apr. 4-7, 2011.
- J. S. Tate, D. Kabakov, and J. H. Koo, “Carbon/phenolic Nanocomposites for Ablative Applications,” Proc. International SAMPE 2010 ISTC, Salt Lake City, UT, Oct. 11-14, 2010.
- D. Chen, J. H. Koo et al., “Powder Processing and Properties Characterization of Polyamide 11-Graphene Nanocomposites for Selective Laser Sintering,” Proc. 2010 SFF Symposium, Austin, TX, Aug. 2-4, 2010.
- S. C. Lao, J. H. Koo et al., “Polyamide 11-Carbon Nanotube Nanocomposites: Processing, Morphological, and Property Characterization,” Proc. 2010 SFF Symposium, Austin, TX, Aug. 2-4, 2010.
- J. Lee, K. Erickson, J. H. Koo et al., “Reentry Vehicle Ablative Material Thermal Degradation and Spectroscopy Characterization,” Proc. 2010 National Space and Missile Materials Symposium, Scottsdale, AZ, Jun. 28 – Jul. 2, 2010.
- D. Kabakov, J. S. Tate, and J. H. Koo, “Effect of Dispersion Techniques on FST and Mechanical Properties of Phenolic/E-Glass Nanocomposites,” Proc. International SAMPE 2010 ISSE, Seattle, WA, May 17-20, 2010.
- H. Redondo, J. H. Koo et al, “Evaluation of Char Strength of Polymer Nanocomposites for Propulsion Systems,” Proc. International SAMPE 2010 ISSE, Seattle, WA, May 17-20, 2010.
- C. Lam, J. H. Koo et al, “Kinetics and Flammability Correlation of Polyamide 11 Nanocomposites,” Proc. International SAMPE 2010 ISSE, Seattle, WA, May 17-20, 2010.
- J. H. Koo, S. Lao et al., “Polyamide 11-Carbon Nanotubes Nanocomposites: Processing, Morphological, and Property Characterization,” Proc. International SAMPE 2010 ISSE, Seattle, WA, May 17-20, 2010.
- J. H. Koo, S. Lao et al., “Roles of Nanoclays, Carbon Nanofibers, Multi-walled carbon Nanotubes, and Nano-alumina to Polyamide 11 Nanocomposites,” AIAA-2010-2565, 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Orlando, FL Apr. 12-15, 2010.
- J. H. Koo, K. Nguyen et al., “Thermoplastic Polyurethane Elastomer-Clay and –Carbon Nanofiber Nanocomposites: Flammability Properties,” Proc. International SAMPE 2009 ISTC, Wichita, KS, Oct. 19-22, 2009.
- S. C. Lao, J. H. Koo et al., “Flammability and thermal properties of polyamide 11-alumina nanocomposites,” Proc. 2009 SFF Symposium, Austin, TX, Aug. 3-5, 2009.
- J. C. Lee, J.H. Koo et al., “Thermoplastic Polyurethane Elastomer Nanocomposites: Density, Hardness, and Flammability Properties Correlations,” AIAA-2009-5273, AIAA Joint Propulsion Conference, Denver, CO, Aug. 2-5, 2009.
- J. H. Koo, J. Weispfenning et al., “Silicone Polymer Composites for Thermal Protection System: Fiber Reinforcements, Microstructures, and Performance,” AIAA-2009-5274, AIAA Joint Propulsion Conference, Denver, CO, Aug. 2-5, 2009.
- J. H. Koo et al., “Thermal and Morphological Characterization of Nanographene Platelets (NGPs) and NGP Nanocomposites,” Proc. UKC2009, US-Korea Conference on Science, Technology, and Entrepreneurship, Raleigh, NC, Jul. 16-19, 2009.
- S. Tan, J. H. Koo et al., “Foamed Composite Cases for Solid Rocket Motors with Insensitive Munitions,” 1st Annual Missile Defense Technology Workshop, Pasadena, CA, Jul. 13-16, 2009.
- J. C. Lee, J. H. Koo et al., “Heating Rate and Nanoparticle Loading Effects on Thermoplastic Polyurethane Elastomer Nanocomposite Kinetics,” AIAA-2009-4096, AIAA Thermophysics Conference, San Antonio, TX, June 22-25, 2009.
- J. Tate, J. H. Koo et al., “Flammability and Mechanical Properties of Phenolic-Clay-E-glass Polymer Matrix Composites,” Proc. International SAMPE 2009 ISSE, Baltimore, MD, May 18-21, 2009.
- J. H. Koo, O. A. Ezekoye, Bruns, M., and J. C. Lee, “Characterization of Polymer Nanocomposites for Solid Rocket Motor – Recent Progress,” Proc. International SAMPE 2009 ISSE, Baltimore, MD, May 18-21, 2009.
- S. C. Lao, J. H. Koo et al., “Flame Retardant Intumescent Polyamide 11/Copolyamide Nanocomposites,” Proc. International SAMPE 2009 ISSE, Baltimore, MD, May 18-21, 2009.
- M. Bruns, J. H. Koo, and O. A. Ezekoye, “Thermal Degradation of a Spatially Lumped Population of Thermoplastic Chains,” 6th U.S. National Combustion Meeting, An Arbor, MI, May 17-20, 2009.
- J. Lee, J. H. Koo, and O. A. Ezekoye, “Flammability Studies of Thermoplastic Polyurethane Elastomer Nanocomposites,” AIAA-2009-2544, 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Spring, CA May 4-7, 2009.
- W. K. Ho, J. H. Koo, and O. A. Ezekoye, “Kinetics of Thermal Degradation of Thermoplastic Polyurethane Elastomer Nanocomposites,” Proc. International SAMPE 2008 ISTC, Memphis, TN, Sept. 8-11, 2008.
- E. Onyegam, J. H. Koo, and P. Ho, “Mechanical Characterization of Multi-wall Carbon Nanotube/Poly (Methyl Methacrylate) Nanocomposites: A Metrology Comparison Study,” Proc. International SAMPE 2008 ISTC, Memphis, TN, Sept. 8-11, 2008.
- A. Avila, J. H. Koo et al., “Residual Mechanical Properties of Nanocomposites after Fire Damage,” Proc. International SAMPE 2008 ISTC, Memphis, TN, Sept. 8-11, 2008.
- A. Avila, J. H. Koo et al., “An Investigation on Nanocomposites under Intense Heat Conditions,” Proc. 23rd Annual American Society for Composites Technical Conference, Memphis, TN, Sept. 8-11, 2008.
- J. H. Koo et al., “Flammability and Thermal Properties of Polymer Nanocomposites,” Proc. UKC2008, US-Korea Conference on Science, Technology, and Entrepreneurship, San Diego, CA, Aug. 14-17, 2008.
- S. C. Lao, J. H. Koo et al., “Flame Retardant Polyamide 11 Nanocomposites for Selective Laser Sintering – Further Studies,” Proc. 2008 SFF Symposium, Austin, TX, Aug. 4-6, 2008.
- J. H. Koo, S. Lao et al., “Polyamide 11-MWNT Nanocomposites – Preliminary Investigation,” Proc. 2008 SFF Symposium, Austin, TX, Aug. 4-6, 2008.
- Z. P. Luo, J. H. Koo et al., “Quantifying the layer dispersion degree in clay/polymer nanocomposites by advanced quantitative transmission electron microscopy,” Proc. MSA 2008 Meeting, Albuquerque, NM, Aug. 3-7, 2008.
- W. K. Ho, J. H. Koo, and O. A. Ezekoye, “Thermophysical Properties Characterization of Thermoplastic Polyurethane Elastomer Nanocomposites,” AIAA-2008-5146, 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.
- S. C. Lao, J. H. Koo et al., “Processing of Polymer Nanocomposites Using Thinky Mixer,” Proc. International SAMPE 2008 ISSE, Long Beach, CA, May 18-22, 2008.
- W. K. Ho, J. H. Koo, and O. A. Ezekoye, “Thermoplastic Polyurethane Elastomer Nanocomposites: Morphology, Thermophysical, and Flammability,” Proc. the International SAMPE 2008 ISSE, Long Beach, CA, May 18-22, 2008.
- S. C. Lao, J. H. Koo et al., “Polyamide 11-Alumina Nanocomposites: A Preliminary Investigation,” ACS Fire and Polymers Conference, New Orleans, LA, Apr. 7-10, 2008.
- J. H. Koo, S. Lao et al., “Material Characterization of Flame Retardant Intumescent Polyamide 11 Nanocomposites,” AIAA-2008-1856, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL Apr. 7-10, 2008.
- S. C. Lao, J. H. Koo et al., “Flame Retardant Intumescent Polyamide 11-Carbon Nanofiber Nanocomposites: Thermal and Flammability Properties,” HH3.63 presented at the Materials Research Society Fall Meeting, Boston, MA, Nov. 26-29, 2007.
- S. C. Lao, J. H. Koo et al., “Intumescent Flame Retardant Polyamide Nanocomposites,” Proc. International SAMPE 2007 ISTC, SAMPE, Covina, CA, Oct. 2007.
- J. H. Koo, L. Pilato et al., “Nanomodified Carbon/Carbon Composites: Further Thermo-oxidative Studies,” Proc. International SAMPE 2007 ISTC, Covina, CA, Oct. 2007.
- A. Broquere, J. H. Koo et al., “Advances in Heat Resistant Materials for Solid Rocket Motors and Heat Shields,” Proc. 58th International Astronautical Congress 2007, Hyderabad, India, Sept. 24-28, 2007.
- J. H. Koo, S. Lao et al., “Thermo-Oxidative Studies of Nanomodified Carbon/Carbon Nanocomposites,” Proc. 22nd Annual American Society for Composites Technical Conference, Sept. 17-19, 2007, Seattle, WA.
- T. Silverman, J. H. Koo et al., “Material Properties and Microstructural Characterization of SLS Specimens Using Fresh and Recycled Nylon 11 Powders,” Proc. 2007 SFF Symposium, Austin, TX, Aug. 6-8, 2007.
- S. C. Lao, J. H. Koo et al., “Intumescent Flame Retardant Polyamide 11 Nanocomposites,” Proc. 2007 SFF Symposium, Austin, TX, Aug. 6-8, 2007.
- M. Bruns, J. H. Koo, and O. A. Ezekoye, “Determining Failure Time for Weak-Char Ablatives,” AIAA-2007-5772, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cincinnati, OH, July 8-11, 2007.
- K. Nguyen, J. H. Koo et al., “Experimental Characterization of Thermoplastic Elastomer Nanocomposites for Extreme Conditions,” AIAA-2007-5770, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cincinnati, OH, July 8-11, 2007.
- J. H. Koo, W. Ho. et al., “A Review of Numerical and Experimental Characterization of Thermal Protection Materials – Part III. Experimental Testing,” AIAA-2007-5773, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cincinnati, OH, July 8-11, 2007.
- L. Pilato, J. H. Koo et al., “New Phenolic and Nanomodified Phenolic Resin Composite Systems,” Proc. International SAMPE 2007 Symposium and Exhibits, SAMPE, Covina, CA, June 2007.
- J. H. Koo, “The Contribution of Nanotechnology to Solid Rocket Propulsion Components,” Proc. International SAMPE 2007 Symposium and Exhibits, SAMPE, Covina, CA, June 2007.
- J. H. Koo, S. Lao et al., “Thermo-oxidative Studies of Nanomodified Carbon-Carbon Composites,” Proc. International SAMPE 2007 Symposium and Exhibits, SAMPE, Covina, CA, June 2007.
- J. H. Koo, J. Cheng et al., “Cyanate Ester-Buckytubes Nanocomposites: Processing and Characterization,” Proc. International SAMPE 2007 Symposium and Exhibits, SAMPE, Covina, CA, June 2007.
- T. Silverman, J. H. Koo et al., “Material Properties and Microstructural Characterization of Specimens Manufactured by Selective Laser Sintering,” SME Technical Paper TP07PUB58, Dearborn, MI: Society of Manufacturing Engineers, 2007.
- S. C. Lao, J. H. Koo et al., “Cyanate Ester Nanocomposites: Processing and Characterization,” AIAA-2007-2040, 48th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, Apr. 23-26, 2007.
- J. H. Koo, W. K Ho et al., “A Review of Numerical and Experimental Characterization of Thermal Protection Materials – Part II. Material Properties Characterization,” AIAA-2007-2131, 48th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, Apr. 23-26, 2007.
- S. C. Lao, J. H. Koo et al., “Flammability, Thermal, and Mechanical Properties of Polyamide Nanocomposites,” Proc. SAMPE 2006 Technical Conference, Dallas, TX, Nov. 6-9, 2006, SAMPE, Covina, CA.
- S. C. Lao, J. H. Koo et al., “Cyanate Ester-Silicon Carbide Nanocomposites: Processing and Characterization,” Proc. SAMPE 2006 Technical Conference, Dallas, TX, Nov. 6-9, 2006, SAMPE, Covina, CA.
- Z. P. Luo, J. H. Koo et al., “Quantitative Electron Microscopy of Polymer Nanocomposites,” Proc. 62nd ACS Southwest Regional Meeting, Houston, TX, Oct. 19-22, 2006.
- J. H. Koo, G. Wissler et al., “Polyamide Nanocomposites for Selective Laser Sintering,” Proc. 2006 Solid Freeform Fabrication Symposium, The University of Texas at Austin, Austin, TX, Aug. 14-16, 2006.
- J. H. Koo, W. K. Ho, O. A. Ezekoye, “A Review of Numerical and Experimental Characterization of Thermal Protection Materials – Part I. Numerical Modeling,” AIAA-2006-4936, 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Sacramento, CA, July 9-12, 2006.
- K. Nguyen, J. H. Koo, K. E. Mahaffy et al., “A Parametric Study of Insensitive Munitions-Fast Cookoff Modeling for Tactical Missile,” AIAA-2006-5119, 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Sacramento, CA, July 9-12, 2006.
- J. H. Koo and O. A. Ezekoye, “Progress of Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Internal Insulation,” AFOSR Polymer Matrix Composites Review Meeting, Long Beach, CA, May 5-6, 2006.
- J. H. Koo, L. Pilato et al., “Progress of Nanomodified Carbon/Carbon Composites for Intermediate Temperature Structures Program,” AFOSR Polymer Matrix Composites Review Meeting, Long Beach, CA, May 5-6, 2006.
- S. C. Lao, J. H. Koo et al., “Nylon 12 Nanocomposites: Processing and Characterization,” Proc. SAMPE 2006 Int’l Symposium, SAMPE, Covina, CA (2006).
- J. H. Koo, L. Pilato et al., “Flammability Properties and Microstructure Studies of Polymer Nanostructured Materials,” AIAA-2006-1856, 47th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Newport, RI, May 1-4, 2006.
- J. H. Koo, S. Lao et al., “Microstructural Analyses of Nylon 11 Nanocomposites,” Proc. SAMPE 2005 ISTC, SAMPE, Covina, CA (2005).
- J. H. Koo, and L. Pilato, “Flammability Studies of Polymer Nanostructured Materials,” Proc. SAMPE 2005 ISTC, SAMPE, Covina, CA (2005).
- J. H. Koo, L. Pilato et al., “Progress of Nanomodified Carbon/Carbon Composites for Intermediate Temperature Structures Program,” AFOSR Polymer Matrix Composites Review Meeting, San Diego, CA, Aug. 10-11, 2005.
- J. Cheng, J. H. Koo et al., “SLS Processing of Nylon Nanocomposites,” Proc. 2005 Solid Freeform Fabrication Symposium, The University of Texas at Austin, Austin, TX, Aug. 1-3, 2005.
- J. H. Koo, L. Pilato et al., “Innovative Selective Laser Sintering Rapid Manufacturing Using Nanotechnology,” Proc. 2005 Solid Freeform Fabrication Symposium, The University of Texas at Austin, Austin, TX, Aug. 1-3, 2005.
- J. H. Koo, L. Pilato, G. Wissler, “Polymer Nanostructured Materials for Propulsion Systems,” Paper AIAA-2005-3606, 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Tucson, AZ, July 10-12, 2005.
- J. H. Koo, J. Cheng et al., “Flammability and Mechanical Properties of Nylon 11 Nanocomposites,” Proc. SAMPE 2005 Int’l Symposium, SAMPE, Covina (2005).
- J. H. Koo, L. Pilato et al., “Epoxy Nanocomposites for Carbon Fiber-Reinforced Composites,” Proc. SAMPE 2005 Int’l Symposium, SAMPE, Covina (2005).
- J. H. Koo, F. Ghiorso et al., “Nanoreinforced Phenol-Resorcinol-Formaldehyde Composites – Flammability Properties,” Proc. SAMPE 2005 Int’l Symposium, SAMPE, Covina (2005).
- J. H. Koo, L. Pilato et al., “Nanocomposites for Carbon Fiber-Reinforced Polymer Matrix Composites,” AIAA-2005-1928, 46th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Austin, TX, Apr. 18-21, 2005.
- H. Stretz, J. H. Koo et al., “Flammability and Heat Transfer for Blends of Poly (styrene-co-acrylonitrile)/Montmorillonite Clay,” AlChE 2004 Annual Meeting, Austin, TX, Nov. 7-12, 2004.
- H. Stretz, J. H. Koo et al., “Effect of exfoliation on poly (styrene-co-acrylonitrile)/montmorillonite flammability,” ACS National Meeting, Fire & Polymers Symposium, Philadelphia, PA, Aug. 22-26, 2004.
- D. Marchant, J. H. Koo et al., “Flammability and Thermophysical Characterization of Thermoplastic Elastomer Nanocomposites,” ACS National Meeting, Fire & Polymers Symposium, Philadelphia, PA, Aug 22-26, 2004.
- R. Blanski, J. H. Koo et al., “Ablation Characteristics of Nanostructured Materials for Solid Rocket Motor Insulation,” Proc. National Space & Missile Materials Symposium, Seattle, WA, June 21-25, 2004.
- J. H. Koo, D. Marchant et al., “Processing and Characterization of Nanostructured Materials for Solid Rocket Motors,” Proc. National Space & Missile Materials Symposium, Seattle, WA, June 21-25, 2004.
- H. Koo, L. Pilato et al., “Progress on Nanocomposite for Carbon Fiber-Reinforced Polymer Matrix Composites Program,” AFOSR Polymer Matrix Composites Review Meeting, Long Beach, CA, May 21-22, 2004.
- J. H. Koo, L. Pilato et al., “Summary of Nanomodified Carbon/Carbon Composites for Intermediate Temperature Structures Program,” AFOSR Polymer Matrix Composites Review Meeting, Long Beach, CA, May 21-22, 2004.
- J. H. Koo, L. Pilato et al., “Microstructures and Thermal Performance of Polymer Nanocomposites,” Proc. 2004 SAMPE Int’l Symposium, Long Beach, CA, May 16-20, 2004.
- J. H. Koo, L. Pilato et al., “Thermo-oxidative Studies of Nanomodified Carbon/Carbon Composites,” Proc. 2004 SAMPE Int’l Symposium, Long Beach, CA, May 16-20, 2004.
- J. H. Koo, H. Stretz et al., “Nanocomposite Rocket Ablative Materials: Subscale Ablation Test,” Proc. 2004 SAMPE Int’l Symposium, Long Beach, CA, May 16-20, 2004.
- R. Blanski, J. H. Koo et al., “Polymer Nanostructured Materials for Solid Rocket Motor Insulation – Ablation Performance,” Proc. 52nd JANNAF Propulsion Meeting, Las Vegas, NV, May 10-14, 2004.
- J. H. Koo, D. Marchant et al., “Polymer Nanostructured Materials for Solid Rocket Motor Insulation – Processing, Microstructure, and Mechanical Properties,” Proc. 52nd JANNAF Propulsion Meeting, Las Vegas, NV, May 10-14, 2004.
- P. Ruth, J. H. Koo et al., “Preparation of Polymer Nanocomposites for Solid Rocket Motor Insulation,” Proc. 52nd JANNAF Propulsion Meeting, Las Vegas, NV, May 10-14, 2004.
- J. H. Koo, H. Stretz et al., “Nanocomposite Rocket Ablative Materials: Processing, Microstructure, and Performance,” AIAA-2004-1996 paper, 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Palms Spring, CA, Apr. 19-22, 2004.
- J. H. Koo, C. Pittman et al, “Nanomodified Carbon/Carbon Composites for Intermediate Temperature: Processing and Characterization,” Proc. 35th International SAMPE Technical Conference, Dayton, OH, Sept. 28 – Oct. 2, 2003.
- Z. P. Luo, J. H. Koo et al., “Microstructural Evaluation of Polymer Nanocomposites as Rocket Ablative Materials,” Microscopy and Microanalysis 2003 meeting, San Antonio, Texas, August 3-7, 2003.
- J. H. Koo, W. K. Chow et al., “Flammability Properties of Polymer Nanostructured Materials,” Proc. SAMPE 2003 International Symposium, Long Beach, CA, May 11-15, 2003.
- J. H. Koo, H. Stretz et al., “Nanocomposite Rocket Ablative Materials: Processing, Characterization, and Performance,” Proc. SAMPE 2003 International Symposium, Long Beach, CA, May 11-15, 2003, (Outstanding Paper Award for SAMPE 2003).
- J. H. Koo, R. Blanski et al., “Nanostructured Ablatives for Rocket Propulsion System – Recent Progress,” AIAA-2003-1769, 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, Apr. 7-10, 2003.
- J. H. Koo, H. Stretz et al., “Progress on Nanocomposite Ablatives for Rocket Propulsion Systems,” AFOSR Polymer Matrix Composites Review Meeting, Long Beach, CA, May 17-18, 2002.
- S. Bourbigot, J. H. Koo et al., “Nanocomposite Textiles: New Route for Flame Retardancy,” Proc. SAMPE 2002 International Symposium, Long Beach CA, May 13-16, 2002.
- J. H. Koo, H. Stretz et al., “Phenolic-Clay Nanocomposite Ablatives for Rocket Propulsion Systems,” Proc. SAMPE 2002 International Symposium, Long Beach, CA, May 13-16, 2002, p. 1085.
- J. H. Koo, A. Bray et al., “Progress on Nanocomposite Ablatives for Rocket Propulsion Systems,” Poster session at the DURINT Kickoff Meeting @ MIT, Cambridge, MA, Nov. 29-30, 2001.
- J. H. Koo, X. Hu et al., “Flammability Studies of a Water Borne Fire Retardant Nanocomposites Coatings on Wood,” Polymer Nanocomposites Symposium, ACS Southwest Regional Meeting, San Antonio, TX, Oct. 17-20, 2001.
- H. Stretz, J. H. Koo. et al., “Flame Retardant Properties of Polycarbonate/Montmorillonite Clay Nanocomposite Blends,” ACS National Meeting, Chicago, IL, Aug., 2001.
- J. H. Koo, W.K. Chow et al., “Cone Calorimeter Studies of Fire Retardant Coatings on Wood,” Second International Conference on Advanced Engineered Wood Composites, Bethel, ME, August 14-16, 2001.
- H. Stretz, J. H. Koo et al., “Synergism in an Environmentally Benign Fire Retardant System for Polypropylene Cabling Jackets,” Alternate: Chemrawn XIV World Congress on Green Chemistry: Towards Environmentally Benign Products and Processes, University of Colorado, Boulder, CO, June 9-13, 2001.
- A. Bray, J. H. Koo et al., “Phenolic-Clay Carbon Reinforced Nanocomposites for Rocket Nozzles: Progress Report,” AFOSR Polymer Matrix Composite Program Review, Long Beach, CA, May 11-12, 2001.
- H. Koo, U. Sorathia et al., “Characterization of Fire Safe Polymer Matrix Composites for Naval Applications,” SAMPE 2001 International Symposium, Long Beach, CA, May 6-10, 2001.
- J. H. Koo, U. Sorathia et al., “Fire Performance of Polymer Matrix Composites for Marine Application,” Proc. Fire and Materials 2001, San Francisco, CA, January 22-24, 2001, 105-116.
- J. H. Koo, U. Sorathia et al., “Flammability Properties of Polymer Matrix Composites for Naval Applications,” 32nd International SAMPE Technical Conference, Boston, MA, November 1-5, 2000.
- A.. Dekar, H. Stretz, J. H. Koo et al., “Flame Retardant Properties of Novolac Phenolic/Bisoxazoline Amended with an Epoxy-Terminated Siloxane and Clay Nanocomposite,” ACS Fire and Polymers Symposium, Washington DC, August 20-24, 2000.
- J. H. Koo, I. S. Reshetnikov et al., “Recent Russian Flammability Research in Polymeric Materials,” ACS Fire and Polymers Symposium, Washington DC, August 20-24, 2000.
- J. H. Koo, W. Wootan et al, “Flammability Studies of Fire Retardant Coatings on Wood,” ACS Fire and Polymers Symposium, Washington DC, August 20-25, 2000.
- S. Venumbaka, J. H. Koo et al., “Polymerization in SC CO2,” 42nd Rocky Mountain Conference on Analytical Chemistry in SCF-session in Broomfield, CO, August 2, 2000.
- J. H. Koo, P.E. Cassidy et al., “Waste Minimization and Management Research Center Activities,” 4th Green Chemistry and Engineering Conference, Washington DC, June 27–29, 2000.
- H. A. Stretz, J. H. Koo et al., “Recycling Atactic Polypropylene as a Modifier in Polyolefin Bends,” 4th Green Chemistry and Engineering Conference, Washington DC, June 27–29, 2000.
- F. B. Cheung, J. H. Koo et al., “Theoretical and Experimental Study of the Performance of Intumescent Fire-Retardant Materials,” Proceedings of Symposium on Energy Engineering in the 21st Century (SEE 2000), the Hong Kong University of Science and Technology, Kowloon, Hong Kong, January 2000, Vol. 3, pp. 1289.
- J. H. Koo, S. Venumbaka et al., “Silicone Matrix Composites for Thermal Protection,” 31st International SAMPE Technical Conference, Chicago, IL, October 27-31, 1999.
- J. H. Koo, S. Venumbaka et al., “Behavior of a Class of Silicone Matrix Composites Under Thermal Environments,” 5th International Symposium on Polymers for Advanced Technologies, Tokyo, Japan, August 31 – September 5, 1999.
- H. Stretz, J. H. Koo et al., “Performance of a Wood Adhesive of Recycled Polyvinyl Butyral and Phenolic Resins,” ACS Fall Meeting, New Orleans, LA, August 22-26 1999.
- R. J. C. McLean, J. H. Koo et al., “Pseudomonas Aeruginosa Biofilm Formation under Microgravity Conditions,’ 99th Annual Meeting of the American Society for Microbiology, Chicago, IL, May 1999.
- J. H. Koo, S. Venumbaka et al., “Thermal Performance of a Class of Silicone Polymer Composites,” 44th International SAMPE Symposium/Exhibit, Long Beach, CA, May 23-27, 1999.
- J. Wong, J. H. Koo et al., “Low Temperature Ablatives Thermal Performance Testing,” AIAA-99-0346, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 11-14, 1999.
- J. H. Koo, M. Miller, D. Wilson et al., “Effects of Major Constituents on the Performance of Silicone Polymer Composite,” 30th International SAMPE Technical Conference, San Antonio, TX, October 21-24, 1998.
- J. H. Koo, P.E. Cassidy et al., “Evaluation of Fire Safe Polymers/Composites for Marine Application,” 43rd International SAMPE Symposium/Exhibition, Anaheim, CA, May 31-June 4, 1998.
- J. H. Koo, S. Venumbaka et al., “Evaluation of Thermally Resistant Polymers Using Cone Calorimeter,” Fire and Materials ’98 Conference, San Antonio, TX, February 23-24, 1998.
- J. H. Koo, “Lecture Notes for Development of Thermal Protection Technology,” Chung Shan Institute of Science and Technology, Lungtan, Taiwan, ROC, December 18, 1995.
- J. H. Koo, F. Cheung et al., “High Temperature Additives in Fireproofing Material for Building Construction,” Third Asian-Pacific International Symposium on Combustion and Energy Utilization, Hong Kong, December 11-15, 1995.
- J. Siebenshuh, M. Miller, and J. H. Koo, “3D NPARC Flowfield Simulation of an Ablative Test Fixture,” AIAA-95-2865, 31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Diego, CA, July 10-12, 1995.
- M. L. VanMeter, J. H. Koo, D. Wilson, and D. A. Beckley, “Mechanical Properties and Material Behavior of a Glass Silicone Polymer Composite,” 1995 International SAMPE Symposium and Exhibition, Vol. 40, Long Beach, CA, May 1995, pp. 1425-1434.
- F. Cheung, J. H. Koo et al., “Prediction of Thermo-mechanical Erosion of High-Temperature Ablatives in the SSRM Facility,” AIAA-95-0254, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 9-12, 1995.
- B. York, J. H. Koo et al., “Exhaust Plume Impingement Studies with Applications to VLS,” AIAA-95-0255, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 9-12, 1995.
- M. Miller, J. H. Koo et al., “Development of a Scaled Ducted Launcher for Ablative Testing,” AIAA-95-0256, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 9-12, 1995.
- F. Cheung, J. H. Koo et al., “Current Status on the Modeling of Fire-Retardant Materials,” AIAA-95-0257, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 9-12, 1995.
- B. York, J. H. Koo et al., “Steady/Transient Plume-Launcher Interactions and Progress towards Particulates/Surface Layer Modeling,” CPIA Pub. 821, 1994 JANNAF Exhaust Plume Technology Meeting, Sunnyvale, CA, October 17-21, 1994.
- J. H. Koo, M. J. Miller, D. Wilson, and D. A. Beckley, “Performance Envelope of a Silicone Polymer Composite,” 1994 International SAMPE Symposium and Exhibition, Vol. 39, Long Beach, CA, May 1994, pp. 1576-1589.
- J. H. Koo, S. Lin et al., “Comparison of Thermophysical Properties of Two Fire Retardant Materials,” AIAA-94-0126, 32nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 10-13, 1994.
- J. H. Koo, D. Wilson et al., “Effect of Reinforcement in a Silicone Resin System,” AIAA-94-0787, 32nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 10-13, 1994.
- J. H. Koo, “Lecture Notes for Current and Advances in Thermal Protection Materials,” Industrial Technology Research Institute, Hsinchu, Taiwan, ROC, December 7, 1993.
- J. H. Koo, S. Lin et al., “Evaluation and Characterization of a Fire-Retardant Material: No Fire A,” Pacific International Conference on Aerospace Science and Technology, Tainan, Taiwan, ROC, December 6-9, 1993.
- F. Cheung, J. H. Koo et al., “Effect of Melt Layer Formation on Thermo-Mechanical Erosion of High-Temperature Ablative Materials,” Pacific International Conference on Aerospace and Technology, Tainan, Taiwan, ROC, December 6-9, 1993.
- D. Wilson, J. H. Koo et al., “Progress on the Development of VLS Ablative Material Program,” 1993 JANNAF Propulsion Meeting, Monterey, CA, November 15-19, 1993.
- F. LeCureux, J. H. Koo et al., “The Effect of Water in Ablative Performance under Solid Rocket Exhaust Environment,” AIAA-93-2475, 29th AIAA/SAE/ASME/ASEE Joint Propulsion Conference, Monterey, CA, June 28-July 1, 1993.
- F. B. Cheung, J. H. Koo et al., “Numerical Investigation of Thermochemical and Mechanical Erosion of Ablative Materials,” AIAA-93-2045, 29th AIAA/SAE/ASME/ASEE Joint Propulsion Conference, Monterey, CA, June 28-July 1, 1993.
- J. H. Koo, M. Miller et al., “The Effect of Hydrocarbon Flames to Fire Retardant Materials,” Proceedings of Joint Technical Meeting 1993, Central and Eastern States Sections of The Combustion Institute, New Orleans, LA, March 15-17, 1993, pp. 601-605.
- B. York, S. Dash, J. H. Koo et al., “Steady and Transient Navier-Stokes Simulation of Exhaust Plume/Launcher Interactions,” 20th JANNAF Exhaust Plume Technology Meeting, Kirtland AFB, NM, February 9-11, 1993.
- M. Kneer, J. H. Koo et al., “A Cost-Effective Approach to Evaluate Insulative Materials for Low Heat Flux Applications,” AIAA-93-0840, 31st AIAA Aerospace Sciences Meeting, Reno, NV, January 11-14, 1993.
- C. Boyer, J. H. Koo et al., “Development and Evaluation of Erosion-Resistant Polymer Matrix Composite Ablator,” AIAA-93-0842, 31st AIAA Aerospace Sciences Meeting, Reno, NV, January 11-14, 1993.
- M. Miller, J. H. Koo et al., “Evaluation of Different Categories of Composite Ablatives for Thermal Protection,” AIAA-93-0839, 31st AIAA Aerospace Sciences Meeting, Reno, NV, January 11-14, 1993.
- C. Boyer, J. H. Koo et al., “Evaluation of Fiber-Reinforced Composite Ablators Exposed to a Solid Rocket Motor Exhaust,” AIAA-92-3510, AIAA/SAE/ASME/ASEE 28th Joint Propulsion Conference, Nashville, TN, July 6-9, 1992.
- J. H. Koo, M. Kneer et al., “Fast Cookoff Test and Numerical Simulation of a Missile Canister,” Insensitive Munitions Technology Symposium, Williamsburg, VA, June 9-11, 1992.
- J. H. Koo and M. Kneer, “Multimodal and Out-of-Range Particles Effects on the Response of Forward-Scattered Particle Sizing Instruments,” CPIA Pub. 573, Vol. I, 28th JANNAF Combustion Meeting, San Antonio, TX, October 28- November 1, 1991, pp. 37-43.
- J. H. Koo, M. Kneer et al., “Comparison of Ablative Materials in a Simulated Solid Rocket Exhaust Environment,” AIAA-91-0978, AIAA/ASME/ASCE/ASC 32nd Structures, Structural Dynamics, and Materials Conference, Baltimore, MD, April 8-10, 1991.
- J. H. Koo, M. Kneer et al., “Behavior of Insulative Material Structures Under Simulated Fast Cookoff Environment,” CPIA Pub. 562, 1991 JANNAF Propulsion Systems Hazards Subcommittee Meeting, Albuquerque, NM, March 18-22, 1991, pp. 225-240.
- J. H. Koo and E. D. Hirleman, “Factors Affecting Particle Size Reconstructions from Forward-Scattered Light Using Integral Transform Solutions,” AIAA-91-0180, AIAA 28th Aerospace Sciences Meeting, Reno, NV, January 7-10, 1991.
- J. H. Koo and M. Kneer, “Effects of Multimodal and Out-of-Range Particles to the Response of Fraunhofer Diffraction Particle Sizing Instruments,” 23rd Fall Technical Meeting, Eastern Section of The Combustion Institute, Orlando, FL, December 3-5, 1990.
- M. Kneer, J. H. Koo et al., “Supersonic Torch Facility for Ablative Testing,” AIAA-90-1761, AIAA/ASME 5th Thermophysics and Heat Transfer Conference, Seattle, WA, June 18-20, 1990.
- J. H. Koo and E. D. Hirleman, “A Synthesis of Integral Transform Solutions for Reconstruction of Particle Size Distribution from Forward-Scattered Light,” 2nd International Congress on Optical Particle Sizing, Tempe, AZ, March 5-8, 1990.
- J. H. Koo E. D. Hirleman et al., “Statistical Approach to Evaluate Particle Size Inversion Algorithms,” AIAA-90-0151, AIAA 28th Aerospace Sciences Meeting, Reno, NV, January 8-11, 1990.
- J. H. Koo, F. LeCureux et al., “Observations of the Effect of Particle Impingement in Solid Rocket Exhaust Plume,” 18th JANNAF Exhaust Plume Technology Meeting, Monterey, CA, November 14-16, 1989.
- W. K. Kuo, J. H. Koo et al., “Jet Impingement and Ablative Material Erosion Studies for a Vertical Launching System,” CPIA Pub. 515, Vol. III, 1989 JANNAF Propulsion Meeting, Cleveland, OH, May 23-25, 1989, pp. 159-167.
- J. H. Koo, E. D. Hirleman et al., “Numerical Quadrature Methods on Fraunhofer Diffraction Patterns for Particle Size Analysis,” WSSCI-89-13, 1989 Spring Meeting, Western States Section of The Combustion Institute, Pullman, WA, March 20-21, 1989.
- J. H. Koo and A. Chaboki, “Integral Transform Methods for Reconstruction of Particle Size Distributions Using Laser Light Diffraction Data,” Paper No. 15, 1988 Technical Meeting, Eastern Section of The Combustion Institute, Clearwater Beach, FL, December 5-7, 1988.
- J. H. Koo, “A New Family of Integral Transform Techniques on Laser Light Diffraction Particle Sizing,” WSSCI-88-59, 1988 Spring Meeting, Western States Section of The Combustion Institute, Salt Lake City, UT, March 21-22, 1988.
- J. H. Koo, “A Review of Particle Sizing Methods in Rocket Propulsion,” CPIA Pub. 476, Vol. I, 24th JANNAF Combustion Meeting, Monterey, CA, October 5-9, 1987, pp. 141-156.
- J. H. Koo, “Review of Particle Sizing Methods (Optical) in Solid Propellant Combustion and Rocket Exhaust,” JANNAF Solid and Liquid Rocket Performance Panel, NASA/Langley Research Center, Hampton, VA, Oct. 21, 1986.
- J. H. Koo and E. D. Hirleman, “Comparative Study of Laser Diffraction Droplet Size Analysis Using Integral Transform Techniques: Factors Affecting the Reconstruction of Droplet Size Distribution,” WSSCI-86-18, 1986 Joint Spring Meeting, Canadian and Western States Sections of The Combustion Institute, Banff, Alberta, Canada, April 28-30, 1986.
- J. H. Koo and E. D. Hirleman, “Investigation of Integral Transform Techniques for Laser Diffraction Particle Size Analysis,” Paper No. 77, 1985 Technical Meeting, Eastern Section of The Combustion Institute, Philadelphia, PA, November 4-6, l985.
- J. H. Koo and E. D. Hirleman, “Integral Transform for Particle Sizing by Near-Forward Light Scattering,” WSSCI-84-33, 1984 Spring Meeting, Western States Section of The Combustion Institute, Boulder, CO, April 2-3, l984.
- R. Goulard, J. H. Koo et al., “Radiative Properties of Combustion Gases,” AIAA-79-1041, AIAA l4th Thermophysics Conference, Orlando, FL, June 4-6, l979.
- W. K. Kuo, J. H. Koo et al., “Predictions of Transient Combustion Behavior of Mobile Granular Propellants in Vented Bombs,” JANNAF workshop of Gun Propellant Combustion, Newport, RI, August l4-l5, l975.
Invited Lectures and Seminars (16 countries and the US) (150+):
Australia (3)
- “Ablation Science and Technology,” short course, RMIT University, School of Aerospace & Aviation Engineering, Melbourne, Australia, Aug., 2019.
- “Fundamentals of Polymer Nanocomposites,” RMIT University, School of Aerospace Engineering, Melbourne, Australia, Aug. 14, 2018.
- “Ablation Science and Technology,” RMIT University, School of Aerospace Engineering, Melbourne, Australia, Aug. 10, 2018.
- “Polymer and Polymer Nanocomposites for Additive Manufacturing,” RMIT University, School of Aerospace Engineering, Melbourne, Australia, Aug. 8, 2018.
Belgium (1)
- “Ablation Research at UT Austin,” von Karman Institute, Aerospace Engineering Dept., Brussels, Belgium, Dec. 12, 2014.
Brazil (1)
- “Polymer Nanocomposites: Processing, Characterization, and Applications,” invited short course at Universidade Federal de Minas Gerais, Belo Horizonte, Brazil, Oct. 8-11, 2007.
Canada (2)
- “Overview of Polymer Nanocomposites,” University of British Columbia, Mechanical Engineering Dept., Vancouver, British Columbia, Canada, May 21, 2010.
- “Nanoparticles as Fire Retardant Additives for Polymeric Materials,” invited lecture at the Functional Fillers for Plastics 2002, Toronto, Canada, September 18-20, 2002.
France (3)
- “Polyamide 11 and 12 Nanocomposites: Processing, Characterization, and Performance,” Arkema, Lacq, France, Dec. 12, 2007.
- “Polymer Nanostructured Materials for High Temperature Applications,” Snecma Propulsion Solide, Bordeaux, France, Dec. 11, 2007.
- “Polymer Nanostructured Materials for Solid Rocket Motors,” Snecma Propulsion Solide, Bordeaux, France, Dec. 10, 2007.
Hong Kong, China (2)
- “Experimental Studies of a Novel Class of Silicone Polymer Composites,” The Hong Kong University of Science and Technology, Kowloon, Hong Kong, August 31, 1999.
- “Commercial and Military Usage of Thermal Protection Materials,” The Hong Kong University of Science and Technology, Kowloon, Hong Kong, December 14, 1995.
Italy (3)
- “Ablation Research at UT Austin,” Polytechnic University of Turin, Turin, Italy, Mar. 21, 2014.
- “Fundamental, Properties, and Applications of Polymer Nanocomposites,” Polytechnic University of Turin, Alessandria, Italy, Mar. 20, 2014.
- “Multifunctional Polymer Nanocomposites Designed for Extreme Environments,” University of Perugia, Terni, Italy, July 5, 2011.
Japan (5)
- “Fundamentals, Properties, and Additive Manufacturing of Polymer Nanocomposites,” Thinky-Japan, Tokyo, Japan, July 10, 2018.
- “Fundamentals, Properties, and Additive Manufacturing of Polymer Nanocomposites,” Thinky-Japan, Osaka, Japan, July 12, 2018.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Thinky-Japan, Tokyo, Japan, Nov. 22, 2016.
- “Advanced Polymer Nanocomposites Processing, Characterization, and Current Trends,” Nagoya Institute of Technology, Nagoya, Japan, Nov. 24, 2016.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” short course at Thinky Corp. HQ, Tokyo, Japan, Nov. 25, 2016.
Korea (10)
- “Polymer Nanocomposites Development for Additive Manufacturing,” The 4th Industrial Revolution Forum in ULSAN, 3D Printing Gala, UNIST, Ulsan, Republic of Korea, Sept. 13-14, 2017.
- “Polymer Nanocomposites for Laser Sintering in Additive Manufacturing,” UNIST, Ulsan, Republic of Korea, Nov. 5, 2015.
- “Ablation Research for VLS Ablatives,” DACC, Changwon, Republic of Korea, Nov. 5, 2015.
- “Polymer Nanocomposite Ablatives for Vertical Launching Systems Applications,” Agency for Defense Development, Daejeon, Republic of Korea, Nov. 3-4, 2015.
- “Polymer Nanocomposites Designed for Extreme Conditions,” SAMPE Asia 2014, Seoul, Republic of Korea, Sept 16-17, 2014.
- “Polymer Nanocomposites Technology,” Korea Institute of Machinery and Materials (KIMM), Changwon, Republic of Korea, Dec. 5, 2006.
- “Flammability Studies of Polymer Nanostructured Materials,” DACC, Changwon, Republic of Korea, Dec. 4, 2006.
- “Nanomodified Carbon Fiber-Reinforced Ablative Materials,” Carbon-Carbon 2006 Conference, Jeonju, Republic of Korea, Nov. 29 – Dec. 1, 2006.
- “Mk 41 Vertical Launching System Ablatives and Flammability Studies of Polymer Nanostructured Materials,” DACC, Changwon, Republic of Korea, Feb. 23, 2006.
- “Lecture Series on Vertical Launching System Mk-41 Ablative Test and Evaluation and Polymer Nanostructured Materials for Military Applications,” Agency for Defense Development, Daejeon, Republic of Korea, Feb. 20-22, 2006.
Macau, China (1)
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” University of Macau, Macau, China, January 16, 2017.
Poland (3)
- “Role of Different Nanoparticles in Flame Retardant Polyamide 11 Nanocomposites,” at the COST MP1105 Workshop on “Nanoparticles for Flame Retardancy: Challenges and Risks,” sponsored by EU, Cracow University of Technology, Krakow, Poland, May 16-18, 2013.
- “Fundamental, Properties, and Applications of Polymer Nanocomposites,” Department of Chemistry and Technology of Polymers, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Krakow, Poland, May 18, 2013.
- “Polymer Nanocomposites for Extreme Environments,” Institute for Computational Civil Engineering, Faculty of Civil Engineering, Cracow University of Technology, Krakow, Poland, May 18, 2013.
Portugal (2)
- “Polymer Nanocomposites Applications Outlook: Challenges and Opportunities,” CONTACT Summer School 2011, Caminha, Portugal, sponsored by EU CONTACT Program, June 28-July 1, 2011.
- “Overview of Polymer Nanocomposites Technology,” University of Minho, Institute for Polymers and Composites, Department of Polymer Engineering, Guimaraes, Portugal, June 17, 2010.
Sweden (1)
- Polymer Nanocomposites for Extreme Environments,” Keynote talk at the 2019 26th Assembly of Advanced Materials Congress, Stockholm, Sweden, June 10-13, 2019.
Taiwan (5)
- “Research and Development of Polymers for Additive Manufacturing,” Additive Manufacturing Association of Taiwan (AMAT), Taipei, Taiwan, ROC, December 8, 2017.
- “Fire Protection Technology,” National Chiao Tung University, Hsinchu, Taiwan, ROC, December 20, 1995.
- “Development of Thermal Protection Technology,” Chung Shan Institute of Science and Technology, Lungtan, Taiwan, ROC, December 18, 1995.
- “Military Usage of Thermal Protection Technology,” Chung Cheng Institute of Technology, Tao Yuan, Taiwan, ROC, December 9, 1993.
- “Current and Advances of Thermal Protection Materials,” Industrial Technology Research Institute, Hsinchu, Taiwan, ROC, December 7, 1993.
Thailand (2)
- “Science and Technology of Ablation: An Overview,” Keynote Speaker at the 3rd Asian Conference on Defense Technology (ACDT2017), Phuket, Thailand, January 18-19, 2107.
- “Ablative Polymer Nanocomposites for Aerospace and Defense Applications,” short course at the 3rd Asian Conference on Defense Technology (ACDT2017), Phuket, Thailand, January 18-19, 2107.
The Netherlands (2)
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Saxion Applied Science University, Enschede, The Netherlands, Dec. 1, 2014.
- “Ablation Research and Polymer Nanocomposites Research at UT Austin,” Fokker Aerostructuers (www.fokker.com), Hoogeveen, The Netherlands, Dec. 1, 2014.
United States (129)
- “Fundamentals, Characterization, and Properties of Polymer Nanocomposites,” North Carolina State University, Dept. of Mechanical and Aerospace Engineering, Raleigh, NC, May 24, 2019.
- “Research and Development of Polymer Nanocomposites for Additive Manufacturing at UT Austin & KAI,” Florida State University, High Performance Materials Institute (HPMI), Tallahassee, FL, Dec. 15, 2017.
- “Research and Development of Polymers for Additive Manufacturing,” SUNY Univ. at Buffalo, Dept. of Mechanical and Aerospace Engineering, Buffalo, NY, Oct. 5, 2017.
- “Research Progress of the Koo Research Group,” NASA-JSC, Houston, TX, Sept. 29, 2017.
- “Polymer Nanocomposites Designed for Extreme Conditions,” of Washington, Dept. of Material Sciences and Engineering, Seattle, WA, May 22, 2017.
- “Additive Manufacturing of ULTEM Based Polymers – Progress Report,” NASA-JSC, Houston, TX, Apr. 28, 2017.
- “Ablation Research at UT Austin & KAI,” Raytheon Missile Systems, Tucson, AZ, Oct. 7, 2016.
- “Ablation and Additive Manufacturing Research at UT Austin,” NASA-JSC, Houston, TX, Sept. 16, 2016.
- “Ablation Research at UT Austin & KAI,” High Performance Materials Institute (HPMI), Florida State University, Tallahassee, FL, May 13, 2016.
- “Polymer Nanocomposites Designed for Extreme Environments,” Embraer Engineering & Technology Center, Embraer Aircraft, Melbourne, FL, May 12, 2016.
- “Ablation Research at UT Austin & KAI,” Univ. of Texas at Austin/ Texas State Student Chapter of SAMPE, UT Austin, Austin, TX, Mar. 13, 2016.
- “Ablation Research at UT Austin & KAI,” Johns Hopkins University-Applied Physics Lab, Laurel, MD, Dec 15, 2015.
- “Ablation Research at UT Austin,” AFRL, Dayton, OH, Nov. 20, 2015.
- “Ablation and Flammability Research at UT Austin,” NASA-JSC, Houston, TX, Sept. 18, 2015.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” University of Connecticut, Dept. of Mechanical Engineering, Storrs, CT, Mar. 27, 2015.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Total, Exton, PA, Mar. 11, 2014.
- “Multifunctional Polymer Nanocomposites,” Cessna Aircraft Company, Wichita, KS, Oct. 25, 2013.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Wichita State University, School of Engineering, Wichita, KS, Oct. 21, 2013.
- “Polymer Nanocomposites Designed for Extreme Environments,” Raytheon Company, McKinley, TX, June 6, 2013.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” University of Southern Mississippi, of Polymer Sciences, Hattiesburg, MS, Jan. 18, 2013.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Kraton Polymers, Houston, TX, Dec. 7, 2012.
- “Polymer Nanocomposites Designed for Extreme Environments,” Dept. of Mechanical Engineering, University of North Carolina at Charlotte, Charlotte, NC, Oct. 26, 2012.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Online short course, Center for Lifelong Engineering Education, The University of Texas at Austin, TX, Aug. 13-17, 2012.
- “Flammability Research of Polymer Nanocomposites,” NASA Johnson Space Center, Houston, TX, Aug. 6, 2012.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” NextGen Astronautics, Torrance, CA, June 22, 2012.
- “In-situ Ablation Recession/Thermal Sensor Development,” NASA Goddard Space Flight Center, Wallops Flight Facility, VA, May 25, 2012.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” The University of Texas at Arlington, Dept. of Mechanical and Aerospace Engineering, Arlington, TX, Feb. 24, 2012.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” 3M, Austin, TX, Feb.17, 2012.
- “Introduction of Polymer Nanocomposites,” Georgia Aerospace Systems Manufacturing, Atlanta, GA, Oct. 27, 2011.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” University of Central Florida, Dept. of Mechanical, Aerospace, and Materials Science Engineering, Orlando, FL, Sept. 30, 2011.
- “Fundamentals, Properties, and Applications of Polymer Nanocomposites,” Online short course, Center for Lifelong Engineering Education, The University of Texas at Austin, TX, Aug. 8-12, 2011.
- “Fundamentals of Polymer Nanocomposites,” Aldila Composite Materials, Poway, CA, Aug. 5, 2011.
- “Introduction of Polymer Nanocomposites,” Cobham Composite Products, San Diego, CA, Aug. 4, 2011.
- “Polymer Nanocomposites with Multifunctionality Designed for Extreme Environments,” University of California-San Diego, Dept. of Nanoengineering, San Diego, CA, Aug. 4, 2011.
- “Nanocomposites Technology: Fundamentals, Properties, and Applications,” SAMPE tutorial at the SAMPE 2011 International Symposium, Long Beach, CA, May 23, 2011.
- “Fundamentals of Polymer Nanocomposites,” Hexion Specialty Chemicals, Stafford, TX, Feb. 21, 2011.
- “Polymer Nanocomposites Overview & DoD SMART Scholarship Program,” Fredericksburg High School, Fredericksburg, TX, Jan. 27, 2011.
- “Ablative Materials: Processing, Characterization, Modeling, and Performance Testing,” NASA-Glenn Research Center, Cleveland, OH, Aug. 6, 2010.
- “Polymer Nanocomposites with Multifunctionality Designed for Extreme Environments,” Vanderbilt University, Dept. of Civil and Environmental Engineering, Nashville, TN, July 26, 2010.
- “Polymer Nanocomposites for Aerostructures,” Raytheon Missile Systems, Tucson, AZ, July 2, 2010.
- “Polymer Nanocomposites,” Nammo Talley, Mesa, AZ, June 30, 2010.
- “Behavior of Polymer Nanocomposites for Propulsion and Fire Applications,” The University of Washington, Dept. of Aeronautics and Astronautics Engineering, Seattle, WA, May 17, 2010.
- “Nanocomposites Technology,” SAMPE tutorial at the SAMPE 2010 International Symposium, Seattle, WA, May 17, 2010.
- “Polymer Nanocomposites with Multifunctionality for Extreme Environments,” Nanotechnology Colloquium, Austin, TX, May 10, 2010.
- “Polymer Nanocomposites and Multifunctional Materials for Aerospace Applications,” Nanotechnology Entrepreneurship Form, Pittsburgh State University, Pittsburgh, KS, Apr. 23, 2010.
- “Polymer Nanocomposites with Multifunctionality Designed for Extreme Environments,” Graduate Seminar Series, Dept. of Mechanical and Aeronautical Engineering, Western Michigan University, Kalamazoo, MI, Apr. 6, 2010.
- “Behavior of Polymer Nanocomposites Under Extreme Environments,” Graduate ME and MSE Seminar Series, Dept. of Mechanical, Aerospace, and Materials Science Engineering, University of Pittsburgh, Pittsburgh, PA, Feb. 17, 2010.
- “Behavior of Polymer Nanocomposites Under Extreme Environments,” Graduate ME Seminar Series, School of Mechanical Engineering, Purdue University, West Lafayette, IN, Sept. 24, 2009.
- “Thermal and Morphological Characterization of Nanographene Platelets (NGPs) and NGP Nanocomposites,” the UKC2009, US-Korea Conference on Science, Technology, and Entrepreneurship, Raleigh, NC, Jul. 16-19, 2009.
- “Behavior of Polymer Nanocomposites for Extreme Environments,” Ashland Chemicals, Columbus, OH, July 8, 2009.
- “Polymer Nanocomposites for Various Applications,” Applied Sciences Inc., Cedarville, OH, July 7, 2009.
- “Overview of Polymer Nanocomposites for Extreme Environments,” General Dynamics Electric Boat, Groton, CT, June 30, 2009.
- “Behavior of Polymer Nanocomposites under Extreme Environments,” Rice University, Dept. of Chemical and Biomolecular Engineering, Houston, TX, June 8, 2009.
- “Nanocomposites Technology: Overview,” SAMPE tutorial at the SAMPE 2009 International Symposium, Baltimore, MD, May 18, 2009.
- “Materials Needs for Military Aerospace Propulsion Systems – An AIAA Technical Committee View,” the National Academies Committee on Materials Needs and R&D Strategy for Future Military Aerospace Propulsion Systems, UC-Irvine, Irvine, CA, Mar. 23-24, 2009.
- “Polymer Nanocomposites for Flammability Applications,” the United States Department of Agriculture, Agricultural Research Service, Mid-South Area Southern Regional Research Center, New Orleans, LA, Feb. 26, 2009.
- “Polymer Nanocomposites Overview,” SAMPE Webcast Lecture Series, Oct. 20, 2008 now posted at sampe.org.
- “Reinventing Reality: The Quest for Multifunctional Material Properties Panel – Polymer Nanocomposites,” panelist at the International SAMPE 2008 ISTC, Memphis, TN Sept. 8-10, 2008.
- “Polymer Nanocomposites for Extreme Conditions,” Tennessee Technical University, Dept. of Chemical Engineering, Cookeville, TN, Sept. 8. 2008.
- “Flammability and Thermal Properties of Polymer Nanocomposites,” the UKC2008, US-Korea Conference on Science, Technology, and Entrepreneurship, San Diego, CA, Aug. 14-17, 2008.
- “Nanotechnology – The Path from Development to Commercialization – Panel,” panelist at the International SAMPE 2008 ISSE, Long Beach, CA, May 18-22, 2008.
- Polymer Nanocomposites Technology,” SAMPE tutorial at the SAMPE 2008 International Symposium, Long Beach, CA, May 18, 2008.
- “Numerical and Experimental Characterization of Ablation Modeling for Thermal Protection System for Re-entry Vehicles,” Johns Hopkins University-Applied Physics Laboratory, Columbia, MD, May 7, 2008.
- “Polymer Nanocomposites for Extreme Environments,” Johns Hopkins University-Applied Physics Laboratory, Columbia, MD, May 7, 2008.
- “A Comprehensive Review of Numerical and Experimental Characterization of Thermal Protection Materials,” the Pennsylvania State University, Dept. of Mechanical Engineering, University Park, PA, Feb. 8, 2008.
- “Thermophysical Properties Characterization of G-90,” ONR MURI Program Review Meeting, the Pennsylvania State University, Dept. of Mechanical Engineering, University Park, PA, Feb. 7, 2008.
- “Nanoplastics for Aerospace Applications,” at the “Capitalizing on Nanoplastics” conference, San Antonio, TX, Feb. 5-6, 2008.
- “Numerical and Experimental Characterization of Polymer Nanocomposites for Internal Solid Rocket Motor Insulation,” AFRL Program Review, Lancaster, CA, Dec. 17, 2007.
- “Polymer Nanocomposites for Extreme Conditions,” joint lecture at MIT/Harvard, of Aeronautics and Astronautics, Cambridge, MA, Nov. 30, 2007.
- “Polymer Nanocomposites for Extreme Environments,” Physical Sciences Inc., Andover, MA, Nov. 29, 2007.
- “Flammability Studies of Polymer Nanocomposite,” StanChem, Inc., East Berlin, CT, Nov. 28, 2007.
- “Flame Retardant Intumescent Polyamide Nanocomposites,” SASOL North America, Houston, TX, Nov. 21, 2007.
- “Nanotechnology Aid to Rapid Manufacturing,” 3D World Conference, Rock Hill, SC, Sept. 24-27, 2007.
- “Polymer Nanostructured Materials for Propulsion Systems,” ATK Tactical Propulsion and Controls, Baltimore, MD, Sept. 6, 2007.
- “Nanomodified Carbon/Carbon Composites for Intermediate Temperatures: Progress,” AFOSR/AFRL Polymer Matrix Composites Program Review Meeting, Dayton, OH Aug. 7-10, 2007.
- “Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Insulation-Progress, AFOSR/AFRL Polymer Matrix Composites Program Review Meeting, Dayton, OH Aug. 7-10, 2007.
- “Polymer Nanostructured Materials for Extreme Conditions,” Dept. of Mechanical Engineering, University of Cincinnati, Cincinnati, OH, July 12, 2007.
- “Polymer Nanocomposites for Extreme Conditions,” Zyvex Corp., Richardson, TX, June 14, 2007.
- “Polymer Nanocomposites Technology,” Huntsman Corp., The Woodlands, TX, May 14, 2007.
- “Polymer Nanocomposites: Overview and Applications,” Department of Manufacturing, Florida State University, Tallahassee, FL, Mar. 21, 2007.
- “Polymer Nanocomposites Technology,” 2007 3DS Users Group Conference, Daytona Beach, FL, Mar. 19-22, 2007.
- “Polymer Nanocomposites for Extreme Conditions,” Physics Department, The University of Texas at Austin, Austin, TX, AL, Mar. 9, 2007.
- “Polymer Nanocomposites for Extreme Conditions,” the US Army RDECOM/AMRDEC, Redstone Arsenal, AL, Mar. 2, 2007.
- “Polymer Nanocomposites Technology,” NASA-Marshall Space Flight Center, Huntsville, AL, Mar. 1, 2007.
- “Advanced Solid Rocket Propulsion Course: Thermal Protection and Insulation,” regular course at University of Alabama-Huntsville, UAH Propulsion Research Center, Huntsville, AL, March 1, 2007.
- “What are Nanoplastics?” at The Future of Nanoplastics 2007 Conference, San Antonio, TX, Feb. 22-23, 2007.
- “Polymer Nanocomposites Research Overview,” SASOL North America, Inc., Houston, TX, Oct. 30, 2006.
- “Polymer Nanocomposites Technology,” short course at the Functional Fillers for Plastics 2006, Atlanta, GA, Sept. 25-27, 2006.
- “An Overview of Polymer Nanocomposites Technology,” Solvay Advanced Polymers, Alpharetta, GA, Sept. 25, 2006.
- “Polymer Nanotechnology: Introduction, Synthesis, and Applications,” NASA-Johnson Space Center, Houston, TX, Aug. 7, 2006
- “Polymer Nanotechnology: Synthesis and Applications,” PBI Performance Products, Inc., Charlotte, NC, July 27, 2006.
- “Polymer Nanocomposites for Propulsion Systems,” The Pennsylvania State University, of Mechanical Engineering, University Park, PA, June 9, 2006.
- Polymer Nanocomposites Technology,” SAMPE tutorial at the SAMPE 2006 International Symposium, Long Beach, CA, May 1, 2006.
- “Polymer Nanostructured Materials: Processing, Characterization, and Applications,” Northrop Grumman Corporation, El Segundo, CA, Dec. 15, 2005.
- “Polymer Nanostructured Materials,” The University of Washington, Dept. of Mechanical Engineering, Seattle, WA, Nov. 4, 2005.
- “Polymer Nanocomposites: Overview, Processing, Characterization, and Applications,” SAMPE tutorial at the 37th International SAMPE Technical Conference, Seattle, WA, Oct. 31, 2005.
- “Polymer Nanostructured Materials: Introduction, Processing, and Applications,” SAMPE Dallas-Fort Worth Chapter, Dallas, TX, Sept. 13, 2005.
- “How to Develop Successful SBIR/STTR Proposals,” SBIR/STTR 2005 Texas Conference, Jones Graduate School of Administration, Rice University, Houston, TX, April 26, 2005.
- “Polymer Nanocomposites: Processing, Characterization, and Applications,” the SPE South Texas Chapter, Houston, TX, Mar. 14, 2005.
- “Polymer Nanostructured Materials: Introduction, Processing, Characterization, and Applications,” The Boeing Company, Everett, WA, Mar. 3, 2005.
- “Flammability of Polymer Nanocomposites,” the Boeing 1st Annual Nanotechnology Road Mapping Workshop, Everett, WA, Feb. 28 – Mar. 2, 2005.
- “Polymer Nanostructured Materials: Introduction, Processing, and Applications,” Northrop Grumman Corp., El Segundo, CA, Jan. 28, 2005.
- “Flammability Studies of Polymer Nanocomposites,” 3M, Austin, TX, Dec. 16, 2004.
- “Nanocomposites – Opportunities and Challenges,” SAMPE tutorial at the 36th International SAMPE Technical Conference, San Diego, CA, Nov. 15, 2004.
- “Polymer Nanostructured Materials for High Temperature Applications,” ATK Thiokol Propulsion, Brigham City, UT, Sept 29 2004.
- “Polymer Nanocomposites Technology and Applications,” at the Vapor Grown Carbon Nanofibers and Applications Workshop, Kettering OH, Sept. 14 – 15, 2004.
- “Polymer Nanostructured Materials for High-Temperature Applications,” Aerojet Propulsion, Sacramento, CA, Sept. 9 2004.
- “Nanocomposites Technology: Rapidly Moving Towards in M&P Now” Plenary Lecture at SAMPE 2004 International Symposium, Long Beach, CA, May 18, 2004.
- “Nanocomposites Technology,” SAMPE tutorial at SAMPE 2004 International Symposium, Long Beach, CA, May 17, 2004.
- “Polymer Nanocomposites for High-Temperature Applications,” Carbon Nanotechnologies, Inc., Houston, TX, April 5, 2004.
- “Nanocomposites Fabrication & Characterization,” Workshop on the Design, Modeling, Fabrication and Characterization of Nanotube-Reinforced Composite Materials for Multifunctional Applications, Florida A&M University/Florida State University, Tallahassee, FL, Mar. 23-24, 2004.
- “Polymer Nanostructured Materials for High-Temperature Aerospace Systems,” the University of Tennessee-Knoxville, Dept. of Mechanical, Aerospace, and Biomedical Engineering, Knoxville, TN Mar. 18, 2004.
- “Polymer Nanocomposites for High-Temperature Applications,” Naval Air Warfare Center Weapons Division, China Lake, CA Mar. 4, 2004.
- “Nanocomposite Ablatives for Rocket Nozzle: Processing, Characterization, and Performance,” Panel discussion on Nanocomposite for Carbon-Reinforced Composites at 35th SAMPE Int’l Technical Conference, Dayton, OH, Sept. 28 – Oct. 2, 2003.
- “Overview of Nanomaterials,” 7E7 Nano-Composites Workshop, The Boeing Company, Seattle, WA, July 9, 2003.
- “Nanotechnology/Nanocomposites,” SAMPE tutorial at the SAMPE 2003 International Symposium, Long Beach, CA, May 11, 2003.
- “Polymer Nanostructured Materials for High Temperature Applications,” The University of Texas at Austin, Dept. of Mechanical Engineering, Austin, TX, Apr. 18, 2003.
- “Overview of Polymer Nanostructured Materials for Rocket Propulsion Systems,” Atlantic Research Corporation, Gainesville, VA, Apr. 10, 2003.
- “Polymer Nanostructured Materials for Rocket Propulsion Systems,” Naval Air Warfare Center Weapons Division, China Lake, CA, Feb. 25, 2003.
- “Nano Materials for Propulsion Systems: Processing, Characterization, and Performance,” 2003 Nano Materials for Aerospace Symposium, Corpus Christi, TX, January 28-30, 2003.
- “Polymer Nanocomposites for High Temperature Applications,” the University of Pittsburgh, Dept. of Mechanical Engineering, Pittsburgh, PA, September 24, 2002.
- “An Investigation of Polymer Nanocomposite Ablatives Characterization,” 30th Annual Conference North American Thermal Analysis Society, Pittsburgh PA, September 23-25, 2002.
- “Flammability Comparison of Wood Composites with Other Composite Materials Composites,” invited lecture at The Global Outlook for Natural Fiber Reinforcements 2001, Orlando, FL, December 3-5, 2001.
- “Overview of Flammability of Polymeric Materials Research,” Dow Corning, Midland, MI, July 20, 2001.
- “Overview of Flammability of Polymeric Materials Research,” Dow Chemical, Midland, MI, July 19, 2001.
- “Non-Halogenated Flame Retardant Polymers for Cabling Jackets,” Nanocomposites 2001, Baltimore, MD, June 4-5, 2001.
- “Flammability Studies of Flame Retardant Coatings Using Cone Calorimeter,” 12th BCC Conference of FR on Polymeric Materials, Stamford, CT, May 21-23, 2001.
- “Next Generation, Polymeric-Based Ablative Nanostructured Materials,” panelist at the SAMPE 2001 Symposium, Long Beach, CA, May 7, 2001.
- “Waste Minimization and Management Research Center Activities,” EPA, WA DC, March 23, 2001.
Technical Reports (57):
- J. H. Koo, et al., “Affordable Polymer Nanocomposite for MK 41 Vertical Launching System,” NSWC SBIR Phase I Final Report, KAI, LLC, Austin, TX submitted to NSWC, Dahlgren, VA, Jan. 2019.
- C. Xu, J.H. Koo, “A Hybrid Multifunctional Composite Material of Co-curing Lay-up Process for Enhanced Thermal/Chemical Stability and Surface Durability,” ONR STTR Phase I Final Report, KAI, LLC Austin, TX submitted to ONR, Arlington, VA, Dec. 2019.
- S. Kim, J.H. Koo, et al., “Materials for 3D Printed Heat Shield,” NASA JSC Final Report, KAI, LLC, Austin, TX submitted to NASA JSC, Houston, TX, Sept. 2018.
- J. Mendez, J.H. Koo, et al., “Affordable Elastomeric Insulation Material for Solid Rocket Motors with Improved Ablation Resistance,” AMRDEC SBIR Phase I Final Report, KAI, LLC Austin, TX submitted to AMRDEC, Huntsville, AL, July 2017.
- R. Liang, A. Hao, and J. H. Koo, “Scale-up Manufacturing and Application Demonstration Study of Highly Aligned and High Concentration CNT Reinforced Composites for Aerospace Applications,” AFRL STTR Phase I Final Report, KAI, LLC, Austin, TX, submitted to AFRL, Dayton, OH, Mar. 2017.
- R. Liang and J. H. Koo, “Heterogeneously Structured Conductive Resin Matrix/Graphite Fiber Composite for High Thermal Conductive Structural Applications,” AFOSR STTR Phase II Final Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Oct. 2015.
- J. H. Koo, et al., “Innovative and Cost-Effective Polymer Nanocomposite Ablative TPS for Navy Reentry Bodies,” NAVSIR SBIR Phase I Final Report, KAI, LLC, Austin, TX, submitted to NAVAIR, Navy Shipyard, WA DC, Nov. 23, 2014.
- R. Liang., J. H. Koo, “Heterogeneously Structured Conductive Resin Matrix/Graphite Fiber Composite for High Thermal Conductive Structural Applications,” AFOSR STTR Phase II Annual Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, May 31, 2014.
- J. H. Koo, O.A. Ezekoye et al., “Novel In-situ Ablation and Temperature Sensing Technology,” AFOSR STTR Phase I Final Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Sept 14, 2012.
- J. H. Koo, W. Li et al., “Functionally Graded Polyimide Nanocomposite Foams for Ablative and Inflatable/Flexible/Deplorable Structures,” NASA SBIR Phase I Final Report, KAI, LLC, Austin, TX, submitted to NASA, Aug. 23, 2012.
- J. H. Koo, R. Liang et al., “Heterogeneously Structured Conductive Resin Matrix/Graphite Fiber Composite for High Thermal Conductive Structural Applications,” AFOSR STTR Phase I Final Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, July 30, 2012.
- K. K. Kuo, K. Brezinsky, F. Costanzo, J. H. Koo, M.C. Lin, S. Menon, D. Miller, J. Moral, J. Musaev, V. Yang, and R. Yetter, “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Final Report, The Pennsylvania State University, University Park, PA, submitted to ONR, Arlington, VA, July 10, 2010.
- J. H. Koo, O. A. Ezekoye, M. C. Bruns, and J. C. Lee, “Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Internal Insulation,” AFOSR Final Report-Report 4 (1 Oct. 2006-30 Sept. 2009), The University of Texas at Austin, submitted to AFOSR, Arlington, VA, Sept. 30, 2009.
- J. H. Koo, O. A. Ezekoye, M. C. Bruns, J. C. Lee, W. K. Ho, and K. C. Nguyen, “Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Internal Insulation,” AFOSR Annual Report 3 (1 Oct. 2007-30 Sept. 2008), The University of Texas at Austin, submitted to AFOSR, Arlington, VA, Oct. 31, 2008.
- K. K. Kuo, K. Brezinsky, F. Costanzo, J. H. Koo, M.C. Lin, S. Menon, D. Miller, J. Moral, J. Musaev, V. Yang, and R. Yetter, “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Annual Progress Report, 6 July 2007 to 30 June 2008, The Pennsylvania State University, University Park, PA submitted to ONR, Arlington, VA, July 31, 2008.
- S. Tan, J. H. Koo et al., “Foamed Composite Case for Solid Rocket Motors with Insensitive Munitions,” MDA STTR Phase II Final Report, submitted to MDA, WA DC, Feb. 2008.
- J. H. Koo, L. A. Pilato et al., “Nanomodified Carbon/Carbon Composites for Intermediate Temperature,” AFOSR STTR Phase II Final Report (14 Feb. 2005-31 Aug. 2007), KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Jan. 14, 2008.
- J. H. Koo, O. A. Ezekoye et al., “Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Internal Insulation,” AFOSR Annual Report 2 (1 Oct. 2006-30 Sept. 2007), The University of Texas at Austin, Austin, TX submitted to AFOSR, Arlington, VA, Sept. 30, 2007.
- J. H. Koo, L. A. Pilato, and G. E Wissler, “Nanomodified Carbon/Carbon Composites for Intermediate Temperature,” AFOSR STTR Phase II Annual Report (1 Oct. 2006-30 Sept. 2007), KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Sept. 30, 2007.
- K. K. Kuo, K. Brezinsky, F. Costanzo, S. Hanagud, S. Irle, J. H. Koo, M.C. Lin, S. Menon, D. Miller, J. Moral, J. Musaev, J. Seitzman, A. Wilkinson, V. Yang, and R. Yetter, “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Annual Progress Report, 6 July 2006 to 30 June 2007, The Pennsylvania State University, University Park, PA submitted to ONR, Arlington, VA, July 15, 2007.
- K. K. Kuo, K. Brezinsky, F. Costanzo, S. Hanagud, J. Koo, S. Irle, M.C. Lin, S. Menon, D. Miller, J. Moral, J. Musaev, J. Seitzman, A. Wilkinson, V. Yang, and R. Yetter, “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Interim Progress Report, 1 July 2006 to 30 April 2007, The Pennsylvania State University, University Park, PA submitted to ONR, Arlington, VA, April 30, 2007.
- J. H. Koo, L. A. Pilato et al., “Nanomodified Carbon/Carbon Composites for Intermediate Temperature,” AFOSR STTR Phase II Annual Report (1 Oct. 2005-30 Sept. 2006), KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Oct. 2006.
- J. H. Koo and O. A. Ezekoye, “Experimental and Numerical Characterization of Polymer Nanocomposites for Solid Rocket Motor Internal Insulation,” AFOSR Annual Report (1 June 2006-30 Sept. 2006), The University of Texas at Austin, Austin, TX submitted to AFOSR, Arlington, VA, Sept. 2006.
- K. K. Kuo, K. Brezinsky, F. Costanzo, S. Hanagud, J. Koo, S. Irle, M.C. Lin, S. Menon, D. Miller, J. Moral, J. Musaev, J. Seitzman, A. Wilkinson, V. Yang, and R. Yetter, “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Interim Progress Report, 1 July 2005 to 30 June 2006, The Pennsylvania State University, University Park, PA submitted to ONR, Arlington, VA, July 15, 2006.
- K. E. Mahaffy, J. H. Koo et al. “Experimental and Numerical Simulations of Insensitive Munitions Fast Cookoff of a Solid Rocket Motor,” MDA STTR Phase I Final Report, submitted to MDA, WA DC, July 2006.
- S. Tan, J. H. Koo et al., “Foamed Composite Case for Solid Rocket Motors with Insensitive Munitions,” MDA STTR Phase I Final Report, submitted to MDA, WA DC, Feb. 2006.
- J. H. Koo, L. A. Pilato et al., “Nanomodified Carbon/Carbon Composites for Intermediate Temperature,” AFOSR STTR Phase II Annual Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Sept. 2005.
- K. K. Kuo, K. Brezinsky, S. Hanagud, J. Koo, S. Irle, M.C. Lin, S. Menon, J. Moral, J. Musaev, and J. Seitzman “Fundamental Understanding of Propellant/Nozzle Interaction for Rocket Nozzle Erosion Minimization Under Very High Pressure Conditions,” Interim progress report, 1 Aug, 2004-31 Jul 2005, Pennsylvania State University, University Park, PA submitted to ONR, July 2005.
- J. H. Koo, L. Pilato et al., “Innovative Selective Laser Sintering Rapid Manufacturing Technique Using Nanotechnology,” NSF SBIR Phase I Final Report, KAI, LLC, Austin, TX, submitted to NSF, Arlington, VA, Mar. 2005.
- J. H. Koo, L. Pilato et al., “Nanocomposites for Carbon Fiber-Reinforced Polymer Matrix Composites,” AFOSR STTR Phase I Final Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, Oct. 2004.
- J. H. Koo, L. A. Pilato et al., “Nanomodified Carbon/Carbon Composites for Intermediate Temperature,” AFOSR STTR Phase I Final Report, KAI, LLC, Austin, TX, submitted to AFOSR, Arlington, VA, January 2004.
- Bray, J. H. Koo, H. Stretz, “Nanocomposite Rocket Ablative Materials (NRAM),” Annual Report AFOSR STTR Phase II Annual Report, submitted to AFOSR, Arlington, VA, August 2002.
- Bray, J. H. Koo et al., “Next Generation Nanostructured Ablatives for Rocket Propulsion,” AFOSR STTR Phase I Final Report, submitted to AFOSR, Arlington, VA, September 2001.
- J. H. Koo et al., “Annual Report (February 1998 – January 1999) of Waste Minimization and Management Research Center,” submitted to U.S. Environmental Protection Agencies, Washington D.C. May 1999.
- J. T. Baccus and J. H. Koo, “Assessment of Proposed Wildlife Habitat Sites at the Alcoa Point Comfort Plant,” Report No. IEIS-99-01, Southwest Texas State University, Institute for Environmental and Industrial Science, San Marcos, TX, February 1999.
- J. H. Koo et al., “Comparison of Three Fiber-Reinforced Plastics Patents,” Report No. IEIS-98-04, Southwest Texas State University, Institute for Environmental and Industrial Science, San Marcos, TX, August 1998.
- J. T. Baccus, J. H. Koo, “Creation of Wildlife Habitat Units at the Tejano Farms Sites of Formosa Plastics,” Report No. IEIS-98-03, Southwest Texas State University, Institute for Environmental and Industrial Science, San Marcos, TX, May 1998.
- J. H. Koo et al., “Evaluation of Thermally Resistant Polymers for Airplane Interior,” Report No. IEIS-98-02, Southwest Texas State University, Institute for Environmental and Industrial Science, San Marcos, TX, April 1998.
- J. T. Baccus and J. H. Koo, “Assessment of Proposed Wildlife Habitat Sites for Formosa Plastics,” Report No. IEIS-98-01, Southwest Texas State University, Institute for Environmental and Industrial Science, San Marcos, TX, January 1998.
- J. H. Koo, “Progress Report C: Heat Flux Measurements and Preliminary Observations of SSRM Test Results,” Report No. KAI-96-03, Koo & Associates International, Inc., Eden Prairie, MN, October 1996.
- J. H. Koo, “Progress Report B: Summary of Simulated Solid Rocket Motor Testing,” Report No. KAI-96-02, Koo & Associates International, Inc., Eden Prairie, MN, August 1996.
- J. H. Koo, “Progress Report A: Enhancement of Material Test Matrix,” Report No. KAI-96-01, Koo & Associates International, Inc., Eden Prairie, MN, May 1996.
- J. H. Koo, “Small-Scale ASTM E119 Material Screening Fire Test: Hostaflam AP 422 and AP 462 Intumescent Coating,” Report No. KAI-95-01, Koo & Associates International, Inc., Eden Prairie, MN, August 1995.
- J. H. Koo et al., “Insensitive Munitions Coating for Missile Canister,” UDLP Report, EC-1510, United Defense LP, Armament Systems Division, Minneapolis, MN, April 1995.
- J. H. Koo, S. Lin et al., “VLS Uptake Ablative Investigation – Phase I: Analysis and Test Report,” FMC Report E-4132, FMC Corporation, Naval Systems Division, Minneapolis, MN, November 1992.
- J. H. Koo et al., “Guided Missile Launching System (GMLS) Mark 13 Mod 4 Block 9 Ablative Weight Reduction Study,” FMC Report E-4232, FMC Corporation, Naval Systems Division, Minneapolis, MN, April 1992.
- M. Miller, J. H. Koo et al., “Enhancement of Ablative Performance by Injecting Water into the Exhaust Plume: Final Report,” FMC Report E-4209, FMC Corporation, Naval Systems Division, Minneapolis, MN, January 1992.
- M. Kneer, J. H. Koo et al., “VLS Uptake Ablative Measurement of PPM-2A Module: Analysis and Test Report,” FMC Report E-4133, FMC Corporation, Naval Systems Division, Minneapolis, MN, January 1992.
- W. Chuck, J. H. Koo et al., “VLS Mk 41 Plenum Drain Improvement – Water in the VLS Plenum During SM-2 II Flyout Analysis and Test Report,” FMC Report E-3921, FMC Corporation, Naval Systems Division, Minneapolis, MN, July 1990.
- M. Schneider, J. H. Koo et al., “Test Report for VLS 4-Pac Critical Experiment,” FMC Report E-3553, FMC Corporation, Advanced Systems Center, Minneapolis, MN, April 1989.
- W. Chuck, J. H. Koo et al., “Vertical Launching System Canister Ablative Materials Testing,” FMC Report E-3279, FMC Corporation, Advanced Systems Center, Minneapolis, MN, June 1988.
- E. D. Hirleman, J. H. Koo et al., “Research on Certain Aspects of Laser Diffraction Particle Sizing Relevant to Autonomous Self-Diagnosing Instrumentation,” AFOSR Report, Contract No. AFOSR-84-0187, Washington, DC, October 1987.
- J. H. Koo, “Particle Size Analysis Using Integral Transform Techniques on Fraunhofer Diffraction Patterns,” D.Sc. dissertation, George Washington University, Washington, DC, April 1987.
- J. H. Koo and E. D. Hirleman, “Mathematical Formulation of Integral Transform Techniques on Laser Diffraction Data for Droplet Size Analysis,” Report IR 86-11, Arizona State University, Mechanical and Aerospace Engineering Department, Tempe, AZ, April 1986.
- E. D. Hirleman and J. H. Koo, “Basic Research on Laser Diffraction Particle Sizing Techniques,” Final Report for Garrett Turbine Engine Company Research Trust, Garrett Corporation, Phoenix, AZ, June l984.
- K. K. Kuo, D. Y. Chen, P. C. Chang, J. H. Koo, V. Yang, M. Kumar, and I. Yih, “Computer Program for Calculation of Mobile Granular Solid Propellant Bed Combustion Processes,” The Pennsylvania State University, University Park, PA, January l979.
- K. K. Kuo, J. H. Koo et al., “Transient Combustion in Granular Propellant Beds, Part I: Theoretical Modeling and Numerical Solution of Transient Combustion Processes in Mobile Granular Propellant Beds,” U.S. Army Ballistic Research Laboratory, BRL Contract No. 346, Aberdeen, MD, August 1977.