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RESEARCH PAPERS

On the Influence of Strain-Path in Multiaxial Fatigue Failure

[+] Author and Article Information
Han C. Wu, C. C. Yang

Department of Civil and Environmental Engineering, The University of Iowa, Iowa City, Iowa 52242

J. Eng. Mater. Technol 109(2), 107-113 (Apr 01, 1987) (7 pages) doi:10.1115/1.3225948 History: Received June 03, 1986; Online September 15, 2009

Abstract

A set of strain-controlled experiments has been performed on tubular specimens of annealed stainless steel. The strain-paths are designed to highlight the characteristics of path-dependence in the axial-torsional fatigue tests. Fatigue life, directions of crack initiation, and propagation are the subjects of interest in this investigation. They have been observed to be strongly influenced by the strain-path. For all the specimens tested, crack initiation was in the tensile mode.

Copyright © 1987 by ASME
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