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RESEARCH PAPERS

Constitutive Modeling of Ratchetting Effects—Part I: Experimental Facts and Properties of the Classical Models

[+] Author and Article Information
J. L. Chaboche, D. Nouailhas

Office National d’Etudes et de Recherches Aérospatiales, BP 72-92322 Châtillon Cedex, France

J. Eng. Mater. Technol 111(4), 384-392 (Oct 01, 1989) (9 pages) doi:10.1115/1.3226484 History: Received May 13, 1988; Online September 15, 2009

Abstract

The constitutive modeling of cyclic plasticity has made great progress during the past twenty years. One of the incompletely solved problems concerns ratchetting, that is the progressive strain accumulation, cycle-by-cycle, induced by the superposition of a cyclic secondary load to a constant primary load. The paper discusses the main experimental facts and identifies the main inadequacies of the classical cyclic constitutive equations when they are used to predict ratchetting effects.

Copyright © 1989 by ASME
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