Fatigue Crack Propagation Experiment and Simulation on 7050 Aluminum Alloy

被引：0
|
作者：
Ren, Xudong [1 ]
Huangfu, Yongzhuo [1 ]
Zhang, Yongkang [1 ]
Jiang, Dawei [1 ]
Zhang, Tian [1 ]
机构：
[1] Jiangsu Univ, Jiangsu Prov Key Lab Sci & Technol Photon Mfg, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
FUNCTIONAL MANUFACTURING TECHNOLOGIES AND CEEUSRO II | 2011年 / 464卷
关键词：
laser shock processing; fatigue life; FRANC2D;
D O I：
10.4028/www.scientific.net/KEM.464.560
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, an experiment of fatigue crack propagation in 7050 aluminum alloy was presented. Laser shock processing (LSP) is used to shock the crack surface. Compared with the specimen without LSP, the fatigue life after LSP increased greatly. The simulation of the fatigue crack growth in 7050 aluminum alloy is implemented in FRANC2D. Simulating result is in accordance with the result of the experiment well. Laser shock processing increases the fatigue life and reduce fatigue crack growth rate, it has good prospect on the study of crack arrestment.
引用
收藏
页码：560 / 563
页数：4
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