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Effects of Laser Shock Processing on Fatigue Crack Growth in Ti-17 Titanium Alloy
Huang S(黄帅); Zhu Y(朱颖); Guo W(郭伟); Peng P(彭鹏); Qiao HC(乔红超); Diao, Xungang; Chu, Paul K.
作者部门装备制造技术研究室
关键词Failure Analysis Fatigue Crack Growth Laser Shock Processing Titanium
发表期刊Journal of Materials Engineering and Performance
ISSN1059-9495
2017
卷号26期号:2页码:813-821
收录类别SCI ; EI
EI收录号20170303253963
WOS记录号WOS:000395062000040
产权排序3
资助机构International Science and Technology Cooperation Program of China (Grant No. 2013DFR50590), National Natural Science Foundation of China (No. 51501219), Natural Science Foundation of Liaoning Province (No. 2015020115), and City University of Hong Kong Applied Research Grant (ARG) No. 9667104.
摘要The effects of laser shock processing (LSP) on the fatigue crack properties of Ti-17 titanium alloy are investigated. Surfaces on either side of a fatigue slot are subjected to LSP. The residual stress of the irradiated surface is measured by x-ray diffraction measurement and fatigue crack growth testing of the treated and untreated specimens. The fatigue fracture morphology and microstructure are examined by scanning electron microscopy and transmission electron microscopy. Proliferation and tangles of dislocations occur in the Ti-17, and the density of dislocation increases after the LSP treatment. The fine spacing of the fatigue striations indicates that LSP produces residual compressive stress on the irradiated surfaces which can delay micro-crack formation and expansion. Consequently, the fatigue propagation life of the specimen increases considerably after LSP.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Materials Science, Multidisciplinary
关键词[WOS]6061-T6 ALUMINUM-ALLOY ; FOREIGN OBJECT DAMAGE ; RESIDUAL-STRESS ; PEENED TI-6AL-4V ; GRAIN-REFINEMENT ; BEHAVIOR ; PROPAGATION ; MICROSTRUCTURE ; INDENTATION ; SPECIMENS
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/173321/19815
专题装备制造技术研究室
通讯作者Peng P(彭鹏); Chu, Paul K.
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
4.Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong
推荐引用方式
GB/T 7714
Huang S,Zhu Y,Guo W,et al. Effects of Laser Shock Processing on Fatigue Crack Growth in Ti-17 Titanium Alloy[J]. Journal of Materials Engineering and Performance,2017,26(2):813-821.
APA Huang S.,Zhu Y.,Guo W.,Peng P.,Qiao HC.,...&Chu, Paul K..(2017).Effects of Laser Shock Processing on Fatigue Crack Growth in Ti-17 Titanium Alloy.Journal of Materials Engineering and Performance,26(2),813-821.
MLA Huang S,et al."Effects of Laser Shock Processing on Fatigue Crack Growth in Ti-17 Titanium Alloy".Journal of Materials Engineering and Performance 26.2(2017):813-821.
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