The determination of fatigue crack propagation rates under mixed mode (I+III) loading

被引：10
|
作者：
Yates, JR
Mohammed, RA
机构：
[1] Dept. of Mech. and Proc. Engineering, University of Sheffield, Sheffield S1 3JD, Mappin Street
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 1996年 / 18卷 / 03期
关键词：
mixed mode fatigue; crack propagation; thresholds;
D O I：
10.1016/0142-1123(96)00110-7
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The problems of studying fatigue crack propagation under mixed mode (I+III) conditions are discussed in this paper. A method is proposed, based on the local mode I conditions existing at the crack tip, for predicting crack growth rates under mixed mode (I+III) conditions from pure mode I fatigue test data. Existing models and empirical expressions for mixed mode (I+III) fatigue thresholds and the path of crack propagation in angled crack three point bend specimens for two mixed mode (I+III) loading conditions are used to demonstrate the procedure.
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页码：197 / 203
页数：7
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