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TECHNICAL PAPERS

Constitutive Modeling and Material Characterization of Polymeric Foams

[+] Author and Article Information
J. Zhang, N. Kikuchi

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109

Z. Lin, A. Wong, V. C. Li

Department of Civil and Environmental Engineering, The University of Michigan, Ann Arbor, MI 48109

A. F. Yee

Department of Material Science and Engineering, The University of Michigan, Ann Arbor, MI 48109

G. S. Nusholtz

Chrysler Corporation, Auburn Hills, MI 48326

J. Eng. Mater. Technol 119(3), 284-291 (Jul 01, 1997) (8 pages) doi:10.1115/1.2812258 History: Received December 19, 1996; Revised April 23, 1997; Online November 27, 2007

Abstract

In this study, mechanical properties of three types of polymeric foams (polypropylene (PP), polystyrene (PS), and polyurethane (PU) foams) are investigated. Focus has been placed on the strain rate and temperature effects on these foams under large deformations. Selected experimental results from uniaxial compression, hydrostatic compression, and simple shear tests are presented. A phenomenological hydrodynamic elastoplastic constitutive law is developed to model these polymeric foams. Numerical implementation and validation of the constitutive model are also described.

Copyright © 1997 by The American Society of Mechanical Engineers
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