Crack initiation and propagation under fretting fatigue of inconel 600 alloy

被引：1
|
作者：
Han-Kyu Jeung
Jae-Do Kwon
Choon Yeol Lee
机构：
[1] Yeungnam University,Graduate School of Mechanical Engineering
[2] Yeungnam University,Department of Mechanical Engineering
来源：
Journal of Mechanical Science and Technology | 2015年 / 29卷
关键词：
Inconel 600; Fretting fatigue; Fatigue crack initiation; Fatigue crack propagation; Steam generator;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The purpose of the study is to experimentally investigate the fatigue crack initiation and propagation characteristics of nuclear power plant steam generator tube materials, Inconel 600 alloy, under fretting fatigue conditions. In addition, this study aims to enhance the overall reliability of nuclear power plant equipments by developing fretting fatigue life and integrity evaluation methods. In order to achieve these purposes, a fretting fatigue experiment apparatus is developed and fatigue crack growth experiments are conducted to evaluate the characteristics of Inconel 600 alloy under various stress conditions. Finally, microstructures are observed in accordance with fretting fatigue and contact pressure conditions and fretting fatigue crack initiation mechanism is examined.
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收藏
页码：5241 / 5244
页数：3
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