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RESEARCH PAPERS

Plastic Deformation Behavior of Type 316 Stainless Steel Subject to Out-of-Phase Strain Cycles

[+] Author and Article Information
Y. Ohashi, E. Tanaka, M. Ooka

Department of Mechanical Engineering, Nagoya University, Chikusa-ku, Nagoya, 464 Japan

J. Eng. Mater. Technol 107(4), 286-292 (Oct 01, 1985) (7 pages) doi:10.1115/1.3225821 History: Received January 31, 1984; Online September 15, 2009

Abstract

To elucidate the plastic behavior of metals under out-of-phase strain cycles, a series of experiments was performed on square strain trajectories in a vector space of deviatoric strain by applying combined axial force and torque to thin-walled tubular specimens of type 316 stainless steel. It was confirmed that strain hardening under out-of-phase cycles is much more significant than that under simple cycles. Though the combined isotropic-kinematic hardening model based on the concept of a nonhardening strain region proposed by Ohno gave qualitatively better predictions than the kinematic hardening model by Oak Ridge National Laboratory, there was still a considerable discrepancy between the former theory and the experiment.

Copyright © 1985 by ASME
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