The Anisotropic Deformation of Yield Surfaces

[+] Author and Article Information
M. A. Eisenberg

Department of Engineering Sciences, University of Florida, Gainesville, FL 32611

Chian-Fong Yen

Department of Mechanical Engineering, National Chiao Tung University, Hsinchu, Taiwan, 300

J. Eng. Mater. Technol 106(4), 355-360 (Oct 01, 1984) (6 pages) doi:10.1115/1.3225730 History: Received January 31, 1984; Revised May 30, 1984; Online September 15, 2009


Extensive experimental evidence indicates that yield surfaces exhibit significant anisotropic hardening. Subsequent yield surfaces are both translated and deformed in stress space. A viscoplasticity theory which describes anisotropic hardening by using a Lagrangian deformation mapping of the elastic domain is applied to the quantitative modelling of observed yield surface deformation of 1100-0 aluminum subject to non-proportional loading in tension-torsion space.

Copyright © 1984 by ASME
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