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RESEARCH PAPERS

Further Investigation of a New Hardening Law in Crystal Plasticity

[+] Author and Article Information
K. S. Havner

Department of Civil Engineering, North Carolina State University, Raleigh, N. C. 27607

A. H. Shalaby

Department of Metallurgical Engineering and Materials Science, University of Kentucky, Lexington, Ky. 40506

J. Appl. Mech 45(3), 500-506 (Sep 01, 1978) (7 pages) doi:10.1115/1.3424352 History: Received June 01, 1977; Revised February 01, 1978; Online July 12, 2010

Abstract

A simple theory of latent hardening in crystals, recently proposed by the authors [1], is applied to the determination of anisotropic hardening in slip systems of face-centered cubic crystals in the tensile test, based upon a parabolic resolved-shear-stress versus slip curve in the active system. The theory predicts the generally observed continuation of finite single slip beyond the crystallographic symmetry line. Moreover, the predicted diversity of finite distortional hardening among latent slip systems is in qualitative agreement with experiment.

Copyright © 1978 by ASME
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