Fatigue life prediction by statistical approach under constant amplitude loading

被引：0

作者：

Lee, OS

Park, C

Han, MK

机构：

来源：

ADVANCES IN FRACTURE RESEARCH, VOLS 1-6 | 1997年

关键词：

Markov Chain; fatigue life; DC (Duty Cycle); CD (Cumulative Damage); Markov Chain model; fatigue crack growth rate;

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：

In general, the experimental data of fatigue crack growth rates scatter very much even under identical experimental conditions with constant amplitude loading condition. It is,thus, essential to rake into account the data scatter of crack growth rates by using statistical approach for a reliable fatigue crack propagation analysis. In this study, fatigue crack propagation tests were conducted on a very thin 2024-T3 aluminum alloy under constant amplitude loading. The distribution of the fatigue crack propagation life is estimated by using the stochastic Markov Chain model based on a modified Paris-Erdogon equation. The fatigue lives under different loading conditions are estimated by using this model.

引用

页码：1329 / 1336

页数：8