On the initiation of fretting fatigue cracks

被引：52
|
作者：
Fellows, LJ
Nowell, D
Hills, DA
机构：
[1] Department of Engineering Science, Oxford University, Oxford, OX1 3PJ, Parks Road
来源：
WEAR | 1997年 / 205卷 / 1-2期
基金：
英国工程与自然科学研究理事会;
关键词：
fretting fatigue; crack initiation; shear stress amplitude;
D O I：
10.1016/S0043-1648(96)07302-4
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper discusses macroscopic and microscopic approaches for prediction of the initiation of fretting fatigue cracks. A novel series of fretting fatigue tests is described, involving the cycling of fretting force and specimen load at different frequencies. This technique attempts to determine the proportions of specimen life consumed in initiation and propagation. The experimental contact configuration is analysed and the variation of subsurface stresses calculated. The use of shear stress amplitude as a parameter for characterising the initiation of fretting cracks is discussed.
引用
收藏
页码：120 / 129
页数：10
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