Tensile and compressive stress-strain responses were obtained for various densities of polymer foams. These experimental data were used to determine relevant engineering parameters (such as elastic moduli in tension and compression, ultimate tensile strength, etc.) as a function of foam density. A phenomenological model applicable for both compressive and tensile responses of polymeric foams is validated by comparing the model to the experimentally obtained compression and tensile responses. The model parameters were analyzed to determine the effect of each parameter on the mechanical response of the foam. The engineering parameters were later compared to the appropriate model parameters and a good correlation was obtained. It was shown that the model indeed captures the entire compressive and tensile response of polymeric foams effectively.
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e-mail: subhash@ufl.edu
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January 2009
Research Papers
A Unified Phenomenological Model for Tensile and Compressive Response of Polymeric Foams
Timothy R. Walter,
Timothy R. Walter
Mechanical and Aerospace Engineering,
University of Florida
, Gainesville, FL 32611
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Andrew W. Richards,
Andrew W. Richards
Mechanical Engineering,
California Institute of Technology
, Pasadena, CA 91125
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Ghatu Subhash
Ghatu Subhash
Mechanical and Aerospace Engineering,
e-mail: subhash@ufl.edu
University of Florida
, Gainesville, FL 32611
Search for other works by this author on:
Timothy R. Walter
Mechanical and Aerospace Engineering,
University of Florida
, Gainesville, FL 32611
Andrew W. Richards
Mechanical Engineering,
California Institute of Technology
, Pasadena, CA 91125
Ghatu Subhash
Mechanical and Aerospace Engineering,
University of Florida
, Gainesville, FL 32611e-mail: subhash@ufl.edu
J. Eng. Mater. Technol. Jan 2009, 131(1): 011009 (6 pages)
Published Online: December 18, 2008
Article history
Received:
January 25, 2008
Revised:
July 1, 2008
Published:
December 18, 2008
Citation
Walter, T. R., Richards, A. W., and Subhash, G. (December 18, 2008). "A Unified Phenomenological Model for Tensile and Compressive Response of Polymeric Foams." ASME. J. Eng. Mater. Technol. January 2009; 131(1): 011009. https://doi.org/10.1115/1.3026556
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