A Plasticity Model for Cyclic Strain Accumulation

[+] Author and Article Information
T. M. Mulcahy

Department of Materials Engineering, University of Illinois at Chicago Circle, Chicago, Ill.

J. Appl. Mech 38(4), 869-874 (Dec 01, 1971) (6 pages) doi:10.1115/1.3408968 History: Received July 02, 1969; Revised March 11, 1971; Online July 12, 2010


A general plasticity model is developed which is able to predict a cyclic strain accumulation phenomenon, sometimes called cyclic creep. To assess the consequences of the phenomenon for nonhomogeneous stress states, simple forms of the model are used in the analysis of two idealized structural elements. Very large stresses are found to develop for continued load cycling.

Copyright © 1971 by ASME
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