JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
The Estimation of Temperature Rise in Low-Cycle Fatigue of TiNi Shape-Memory Alloy
Satoru MikuriyaTakafumi NakaharaHisaaki TobushiHideo Watanabe
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2000 Volume 43 Issue 2 Pages 166-172

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Abstract

A difference in fatigue strength depending on the rotational speed between air and water was found for the rotating-bending fatigue characteristics of a TiNi shape-memory alloy wire in our previous work. The heat transfer characteristics around a shape-memory alloy wire were measured using Reynold's analogy. The rise in temperature of the metal during the rotating-bending cycles was calculated considering the heat transfer result. As a result, the rotating-bending fatigue characteristics of a shape-memory alloy wire were explained well from the viewpoint of the heat transfer characteristics.

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© The Japan Society of Mechanical Engineers
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