Plastic Waves of Combined Stress From Longitudinal Impact of a Pretorqued Tube, Analysis by Rate-Dependent Theory

[+] Author and Article Information
A. K. Banerjee

Dynamics, Northrop Services, Inc., Huntsville, Ala.

L. E. Malvern

Center for Dynamic Plasticity, Department of Engineering Sciences, University of Florida, Gainesville, Fla.

J. Appl. Mech 41(3), 615-618 (Sep 01, 1974) (4 pages) doi:10.1115/1.3423358 History: Received July 01, 1973; Revised March 01, 1974; Online July 12, 2010


A rate-dependent theory for a strain-hardening material is used to interpret the experimental data of Lipkin and Clifton [6] for combined stress plastic waves. The numerical solution presented gives, as expected, a better qualitative explanation of the nonconstant-state regions than a rate-independent theory solution. The overall results show that, even for a relatively rate-insensitive material, such as the aluminum used in the experiments, a rate-dependent solution can be worked out that gives at least as good a representation of the complete dynamic plastic response of the tube as is given by a rate-independent theory solution.

Copyright © 1974 by ASME
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