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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.
Department装备制造技术研究室
Source PublicationJournal of Materials Engineering and Performance
ISSN1059-9495
2017
Volume26Issue:2Pages:813-821
Indexed BySCI ; EI
EI Accession number20170303253963
WOS IDWOS:000395062000040
Contribution Rank3
Funding OrganizationInternational 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.
KeywordFailure Analysis Fatigue Crack Growth Laser Shock Processing Titanium
AbstractThe 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.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Multidisciplinary
WOS Keyword6061-T6 ALUMINUM-ALLOY ; FOREIGN OBJECT DAMAGE ; RESIDUAL-STRESS ; PEENED TI-6AL-4V ; GRAIN-REFINEMENT ; BEHAVIOR ; PROPAGATION ; MICROSTRUCTURE ; INDENTATION ; SPECIMENS
WOS Research AreaMaterials Science
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/19815
Collection智能产线与系统研究室
Corresponding AuthorPeng P(彭鹏); Chu, Paul K.
Affiliation1.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
Recommended Citation
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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