On a Class of Kinematic Hardening Rules for Nonproportional Cyclic Plasticity

[+] Author and Article Information
J. C. Moosbrugger

Department of Mechanical and Industrial Engineering, Clarkson University, Potsdam, NY 13676

D. L. McDowell

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Altanta, Ga. 30332

J. Eng. Mater. Technol 111(1), 87-98 (Jan 01, 1989) (12 pages) doi:10.1115/1.3226439 History: Received December 21, 1987; Online September 15, 2009


Two surface theories for rate-independent plasticity have previously been shown to offer superior correlative capability in modeling material response under non-proportional loading. In this study, a class of kinematic hardening rules characterized by a decomposition of the total kinematic hardening variable is discussed. The concept of generalized image point hardening in conjunction with mulitple loading surface interpretations is presented. The ability of this class of rules to correlate experimental data from stable nonproportional cycling of Type 304 stainless steel at room temperature is examined. In addition, the proper framework for inclusion of isotropic hardening for this class of models is discussed.

Copyright © 1989 by ASME
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