Prediction of Cold Dwell-Fatigue Crack Growth of Titanium Alloys

被引：0
|
作者：
Ke Wang
Fang Wang
Wei-Cheng Cui
A.-Li Tian
机构：
[1] Shanghai Jiao Tong University,School of Naval Architecture and Ocean Engineering
[2] Jiangsu University of Science and Technology,School of Naval Architecture and Ocean Engineering
[3] Shanghai Ocean University,Hadal Science and Technology Research Center (Shanghai Engineering Research Center of Hadal Science and Technology)
来源：
Acta Metallurgica Sinica (English Letters) | 2015年 / 28卷
关键词：
Titanium alloy; Dwell-fatigue; Fatigue; Crack growth;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The dwell effect of the material can reduce the fatigue lives of titanium alloys at room temperature. A unified fatigue life prediction method developed by the authors’ group is modified in this paper to predict dwell-fatigue crack growth taking into account the effects of dwell time and maximum stress. The modified model can be successfully used to predict the crack growth rate and calculate the fatigue life of different titanium alloys under pure fatigue and dwell-fatigue conditions. It is validated by comparing prediction results with the experimental data of several titanium alloys with different microstructures, dwell time, hydrogen contents, stress ratios and stress levels .
引用
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页码：619 / 627
页数：8
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