Effects of Amplitude-History and Temperature-History on Multiaxial Cyclic Behavior of Type 316 Stainless Steel

[+] Author and Article Information
S. Murakami

Department of Mechanical Engineering, Nagoya University, Chikusa-ku, Nagoya 464-01, Japan

M. Kawai

Institute of Engineering Mechanics, University of Tsukuba, Tsukuba 305, Japan

Y. Ohmi

Toyota Motor Corporation, Toyota-cho, Toyota 471, Japan

J. Eng. Mater. Technol 111(3), 278-285 (Jul 01, 1989) (8 pages) doi:10.1115/1.3226467 History: Received November 12, 1987; Online September 15, 2009


The effects of the history in strain-amplitude and temperature variation on the multiaxial cyclic behavior of type 316 stainless steel were discussed by performing a series of total-strain controlled cyclic tests under uniaxial tension-compression and circular strain paths. Constant strain rate of 0.2 percent/min was specified throughout the tests. The effects of strain amplitude history were examined by changing the strain amplitude between 0.2 percent and 0.4 percent (step-up and step-down tests) at room temperature, 400°C and 600°C. For temperature history dependence tests, the temperature was changed between 200°C and 600°C, 400°C and 600°C, 500°C and 600°C, by specifying a constant strain amplitude of 0.3 percent. It was observed that for the step-up change in strain amplitude the prior cycle showed apparently no influence on the subsequent cyclic accommodation for the uniaxial and the multiaxial cycles at room temperature, 400°C and 600°C. For the decrease in strain amplitude, however, the definite effect of the prior cycle was observed at 400°C, while at higher temperature it disappeared. The effect of the temperature history, on the other hand, appeared only in the case of the temperature-decrease during the uniaxial cycle.

Copyright © 1989 by ASME
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