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RESEARCH PAPERS

Effect of Temperature Gradients on the Propagation of Elastoplastic Waves

[+] Author and Article Information
P. H. Francis

Department of Mechanical Sciences, Southwest Research Institute, San Antonio, Texas

U. S. Lindholm

Engineering Mechanics Section, Department of Mechanical Sciences, Southwest Research Institute, San Antonio, Texas

J. Appl. Mech 35(3), 441-448 (Sep 01, 1968) (8 pages) doi:10.1115/1.3601233 History: Received November 08, 1966; Revised May 07, 1968; Online September 14, 2011

Abstract

In this paper, the writers consider the problem of the propagation of an extensional elastoplastic wave through a long thin bar heated at the end to produce a continuously decreasing temperature profile. The temperature distribution is approximated as an exponential function, and the stress-strain curve is considered to be bilinear with temperature-dependent mechanical properties. The problem is formulated and solved numerically by the method of characteristics. Several graphical results are provided, and the effects of the temperature gradient and the mechanical properties are discussed in terms of plastic wave attenuation.

Copyright © 1968 by ASME
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