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Effects of laser shock processing on fatigue performance of Ti-17 titanium alloy
Huang S(黄帅); Zhu Y(朱颖); Guo W(郭伟); Qiao HC(乔红超); Diao, Xungang
作者部门装备制造技术研究室
关键词Laser Shock Processing Ti-17 Titanium Alloy Fatigue Performance Micro-hardness
发表期刊High Temperature Materials and Processes
ISSN0334-6455
2017
卷号36期号:3页码:285-290
收录类别SCI ; EI
EI收录号20170903407798
WOS记录号WOS:000394575000010
产权排序3
资助机构International Science & Technology Cooperation Program of China (No. 2013DFR50590), National Natural Science Foundation of China (No. 51501219), Natural Science Foundation of Liaoning Province (No. 2015020115).
摘要Ti-17 titanium alloy was treated by laser shock processing (LSP) and the high-frequency fatigue properties were evaluated. The fatigue fracture and the microstructures were observed by scanning electron microscope (SEM) and transmission electron microscope (TEM). The result shows that the average fatigue life of the LSP sample increases 2.62 times at maximum stress 300?MPa under stress ratio is 0.1. The micro-hardness of the samples subjected to LSP increases 20?% compared with the basic material. The proliferation and tangles of dislocations of Ti-17 occurs and the density of dislocation increases after LSP treatment. The high dislocation density of LSP impacts changes the initiation of crack from corner to subsurface, and hinders the crack extension, thus increases the fatigue performance of the Ti-17.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Materials Science, Multidisciplinary
关键词[WOS]2024-T351 ALUMINUM-ALLOY ; MECHANISM ; BEHAVIOR ; IMPACTS ; 6061-T6
WOS研究方向Materials Science
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/20086
专题装备制造技术研究室
通讯作者Guo W(郭伟)
作者单位1.School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, China
2.School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
3.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning, 110016, China
推荐引用方式
GB/T 7714
Huang S,Zhu Y,Guo W,et al. Effects of laser shock processing on fatigue performance of Ti-17 titanium alloy[J]. High Temperature Materials and Processes,2017,36(3):285-290.
APA Huang S,Zhu Y,Guo W,Qiao HC,&Diao, Xungang.(2017).Effects of laser shock processing on fatigue performance of Ti-17 titanium alloy.High Temperature Materials and Processes,36(3),285-290.
MLA Huang S,et al."Effects of laser shock processing on fatigue performance of Ti-17 titanium alloy".High Temperature Materials and Processes 36.3(2017):285-290.
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