Crack propagation under mixed mode (I+III) loading

被引:13
|
作者
Yates, JR
Mohammed, RA
机构
[1] SIRIUS, Dept. of Mech. and Proc. Engineering, University of Sheffield, Sheffield
关键词
mode (I+III) fatigue cracks; mixed-mode FCG correlations;
D O I
10.1111/j.1460-2695.1996.tb00951.x
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In this paper are presented the results of fatigue crack propagation tests on angled-slit, three point bend mixed-mode (I+III) specimens manufactured from a low pressure steam turbine rotor forging. The path of crack propagation has been studied for two mixed mode (I + III) loading conditions. It has been observed that crack growth occurs by a mode I mechanism and a model has been developed to correlate crack growth rates in mixed mode (I + III) specimens with data from pure mode I fatigue tests.
引用
收藏
页码:1285 / 1290
页数:6
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