Effect of Cyclic Loading on the Yield Surface

[+] Author and Article Information
F. Ellyin, K. W. Neale

Department of Civil Engineering, Université de Sherbrooke, Sherbrooke, Québec, Canada

J. Pressure Vessel Technol 101(1), 59-63 (Feb 01, 1979) (5 pages) doi:10.1115/1.3454599 History: Received August 30, 1978; Online October 25, 2010


The effect of repeated loading on the yield surface is investigated experimentally for an aluminum alloy. Initial yield surfaces under combined axial stress and torsion are first obtained, and yield surfaces subsequent to steady-state plastic response are then determined for various cyclic loading programs. The results suggest that the initial yield surface expands and translates under cyclic loading and that the form of the steady-state yield surface is independent of the stress ratio.

Copyright © 1979 by ASME
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