Lab Publications

    1. Kumar, V., “Microcellular Polymers: Novel Materials for the 21st Century,” Progress in Rubber and Plastics Technology, Vol. 9, No. 1, 1993, pp 54-70.
    2. Seeler, K.A. and Kumar V., “Tension-Tension Fatigue of Microcellular Polycarbonate: Initial Results,” Journal of Reinforced Plastics and Composites, Vol. 12, No. 3, March 1993, pp 359-376.
    3. Kumar, V., and J.E. Weller, “A Process to Produce Microcellular PVC,” International Polymer Processing, Vol. VII, Issue 1, Feb 1993, pp 73-80.
    4. Kumar, V., J.E. Weller, and R. Montecillo, “Microcellular PVC,” Journal of Vinyl Technology, Vol. 14, No. 4, Dec 1992, pp 191-197.
    5. Kumar, V. and Suh, N.P.,”A Process for Making Microcellular Thermoplastic Parts,” Polymer Engineering and Science, Vol. 30, No. 20, Oct 1990, pp 1323-1329.
    6. Kumar, V. and Weller J.E., “A Model for the Unfoamed Skin on Microcellular Foams,” Polymer Engineering and Science, Vol. 34, 1994, pp 169-173.
    7. Kumar, V. and Weller J.E., “Production of Microcellular Polycarbonate using Carbon Dioxide for Bubble Nucleation,” ASME Journal of Engineering for Industry, Vol. 116, Nov. 1994, pp 413-420.
    8. Kumar, V., VanderWel, M., Weller, J.E., and Seeler, K.A., “Experimental Characterization of Tensile Behavior of Microcellular Polycarbonate Foams,” ASME Journal of Engineering Materials and Technology, Vol. 116, Oct. 1994, pp 439-445.
    9. Seeler, K.A. and Kumar V., “Effect Of C02 Saturation and Desorption on the Fatigue Life of Polycarbonate,” ASME Journal of Engineering Materials and Technology, Vol. 116, 1994, pp 451-457.
    10. Wing, G., Pasricha, A., Tuttle, M., and Kumar, V., “Time Dependent Response of Polycarbonate and Microcellular Polycarbonate,” Polymer Engineering and Science, Vol. 35, No. 8, April 1995, pp 673-679.
    11. Seeler, K. and Kumar, V., “Decoupling the Effects of the Matrix Properties and Foam Structure on the Mechanical Properties of Microcellular Foam by Sub-Tg Annealing,” Journal of Reinforced Plastics and Composites, Vol. 14, Oct 1995, pp 1054-1068.
    12. Holl, M.R., Ma, M., and Kumar, V., “The Effect of Additives on Microcellular PVC Foams: Part I – Effect on Processing and Microstructure,” Cellular Polymers, Vol. 17, No. 4, 1998, pp 271-283.
    13. Kumar, V., Weller, J.E., Ma, M., and Montecillo, R., “The Effect of Additives on Microcellular PVC Foams: Part II – Tensile Behavior,” Cellular Polymers, Vol. 17, No. 5, 1998, pp350-361.
    14. Handa, V.P., Wong, B., Zhang, Z., Kumar, V., Eddy, S., and Khemani, K., “Some Thermodynamic and Kinetic Properties of the System PETG-CO2, and Morphological Characteristics of the CO2-Blown PETG Foams,” Polymer Engineering and Science, Vol. 39, No. 1, Jan. 1999, pp 55-61.
    15. Holl, M.R., Kumar, V., Garbini, J.L., and Murray, W.R., “Cell Nucleation in Solid-State Polymeric Foams: Evidence of a Triaxial Tensile Failure Mechanism,” Journal of Materials Science, Vol. 34, 1999, pp 637-644.
    16. Kumar V., Juntunen, R.P., and Barlow, C., “Impact Strength of High Relative Density Solid State Carbon Dioxide Blown Crystallizable Poly(ethylene teraphthalate) Microcellular Foams,” Cellular Polymers, Vol. 19, No. 1, 2000, pp25-38.
    17. Armstrong, W.D., and Kumar, V., “A Discrete Complex Compliance Spectra Model of the Nonlinear Viscoelastic Creep and Recovery of Microcellular Polymers,” Journal of Polymer Science Part B: Polymer Physics, Vol. 38, 2000, 691-697.
    18. Juntunen, R.P., Kumar, V., Weller, J.E., and Bezubic, W.R., “Impact Strength of High Density Microcellular PVC Foams,” Journal of Vinyl and Additive Technology, Vol. 6, No. 2, June 2000, 93-99.
    19. Ross E. Murray, John E. Weller, and Vipin Kumar, “Solid-State Microcellular Acrylonitrile-Butadyne-Styrene Foams,” Cellular Polymers, Vol. 19, No. 6, 2000, 413-426.
    20. Armstrong, W. D. and Kumar, V., “A Stress And Relative Density Dependent Dynamic Compliance Spectra Model Of The Creep Response Of Microcellular Polycarbonate,” Journal of Applied Mechanics, Vol 67, 2000, 663-666.
    21. Holl, M.R., Garbini, J., Murray, W.R., and Kumar, V., “A Steady-State Mass Balance Model of the Polycarbonate-CO2 System Reveals a Self-Regulating Cell Growth Mechanism in the Solid-State Microcellular Process,” Journal of Polymer Science Part B: Polymer Physics, Volume 39, Number 8, April 2001, 868-880.
    22. Barlow, C.C., Kumar, V., Flinn, B., Bordia, R.K., and Weller, J.E., “Impact Strength of High Density Microcellular Polycarbonate Foams,” ASME Journal of Engineering Materials and Technology, April 2001, Vol. 123, 229-233.
    23. Huang, P.Y.H., Reinhall, P.G., Shen, I.Y., and Kumar, V., “Use of Microcellular Foam Materials in Constrained Layer Damping Treatments,” Cellular Polymers, Vol. 20, No. 2, 2001, 101-114
    24. Li, W., Nadella, K., and Kumar, V., “Manufacturing of Micro-scale Open-cell Polymeric Foams using the Solid-State Foaming Process,” Transactions of NAMRI/SME, Vol. 31, 2003, pp. 371-378.
    25. Schirmer, H.G. and V. Kumar, “Novel Reduced-Density Materials by Solid-State Extrusion: Proof-of-Concept Experiments,” Cellular Polymers, Vol.22, No. 3, 2003, 157-174.
    26. Singh, L., Vipin Kumar, and Buddy D. Ratner, “Generation of Porous Microcellular 85/15 Poly(DL-lactide-co-glycolide) Foams for Biomedical Applications,” Biomaterials, V 25, No. 13, June 2004, 2611-2617.
    27. Kumar, V., Nadella, K, Branch, G., and Flinn, B., “Extrusion of Microcellular Foams Using Pre-Saturated Pellets and Solid-State Nucleation,” Cellular Polymers, Vol. 23, No. 6, 2004, 369-385.
    28. Kumar, V., “Phenomenology of bubble nucleation in the solid-state nitrogen-polystyrene system,” Colloids and Surfaces, A: Physiochem. And Eng. Asp. 263 (2005) 336-340.
    29. Nadella, K., Kumar, V., and Li, W., “Constrained Solid-State Foaming of Microcellular Panels,” Cellular Polymers, Vol. 24, No. 2, 2005, 71-90
    30. Sarno, E., Kumar, V., and Li, W., “A Hybrid Methodology for Enhancing Reliability of Large Systems in Conceptual Design and its Application to the Design of a Multiphase Flow Station,” Research in Engineering Design, (2005) Vol. 16, 27-41.
    31. Pasricha, Arun, Gregory Wing, Vipin Kumar, and Mark Tuttle, “The Effect of CO2 on the Creep Response of Polycarbonate,” Poly.Eng.and Sc., Vol. 45 No. 12 (2005), 1639-1644.
    32. Wang, X., Li, W., and Kumar, V., “A method for solvent-free fabrication of porous polymer using solid-state foaming and ultrasound for tissue engineering applications,” Biomaterials, Vol. 27 (2006), 1924-1929.
    33. Bureau, M., and V. Kumar, “Fracture Toughness of High Density Polycarbonate Microcellular Foams,” Journal of Cellular Plastics, May 2006, Vol. 42, 229-240.
    34. Wang Xiaoxi, Kumar, V., and Li, W., “Low Density CO2 Solid-State PLA Foams”, Cellular Polymers, Vol. 26 (2007), No. 1, 1-25