Compression of a Viscoplastic Disk

[+] Author and Article Information
R. L. Carlson

Research Center, U. S. Steel Corporation, Monroeville, Pa.

J. Basic Eng 86(4), 700-702 (Dec 01, 1964) (3 pages) doi:10.1115/1.3655926 History: Received June 07, 1963; Online November 03, 2011


The similarities between the response of a viscoplastic material and the response of metals during forging are noted. The yield condition and flow law for an incompressible viscoplastic material are used as a basis for an approximate solution of the problem of the compression of a circular disk. The rate effects associated with the presence of time-dependent flow are observed to evolve as an integral part of the solution.

Copyright © 1964 by ASME
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