Fatigue crack propagation behavior under overload/underload loading sequences

被引：0
|
作者：
Huang, XY [1 ]
Lang, M [1 ]
Wu, XR [1 ]
机构：
[1] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
FATIGUE '99: PROCEEDINGS OF THE SEVENTH INTERNATIONAL FATIGUE CONGRESS, VOLS 1-4 | 1999年
关键词：
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents the research work on the crack propagation behaviors of aluminum alloy 7475-T7351 plate under tensile overload and compressive underload sequences. A near threshold crack growth testing method was designed to measure the crack starting growth force K-pr From the testing results, the influence on crack propagation rate caused by loading sequence changing can be expressed by K-pr It may help to determine the fatigue life quantitively under variable amplitude load.
引用
收藏
页码：1063 / 1068
页数：6
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