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REVIEW ARTICLES: Viscoplasticity: Experiment and Modelling

Experimental Basis for Temperature-Dependent Viscoplastic Constitutive Equations

[+] Author and Article Information
U. S. Lindholm

Engineering and Materials Sciences, Southwest Research Institute, San Antonio, Texas 78228

Appl. Mech. Rev 43(5S), S338-S344 (May 01, 1990) doi:10.1115/1.3120837 History: Online April 30, 2009

Abstract

In this paper the author reviews experimental data which is felt to be illustrative of time-dependent, high temperature deformation of metals and, therefore, instructive for the development of constitutive models. Issues addressed are the interrelation between time (strain rate) and temperature, the development of evolutionary equations for both isotropic and directional hardening and recovery, and the orientation of the inelastic strain rate with respect to stress during nonproportional loading.

Copyright © 1990 by American Society of Mechanical Engineers
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