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RESEARCH PAPERS

A Viscoplastic Theory for Anisotropic Materials

[+] Author and Article Information
D. Nouailhas

ONERA, Châtillon, France

A. D. Freed

NASA-Lewis Research Center, Cleveland, Ohio

J. Eng. Mater. Technol 114(1), 97-104 (Jan 01, 1992) (8 pages) doi:10.1115/1.2904149 History: Received July 03, 1990; Revised July 25, 1991; Online April 29, 2008

Abstract

The purpose of this work is the development of a unified, cyclic, viscoplastic model for anisotropic materials. The first part of the paper presents the foundations of the model in the framework of thermodynamics with internal variables. The second part considers the particular case of cubic symmetry, and addresses the cyclic behavior of a nickel-base single-crystal superalloy, CMSX-2, at high temperature (950°C).

Copyright © 1992 by The American Society of Mechanical Engineers
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