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Microscopic surface topography of a wrought superalloy processed by laser shock peening
Lu GX(卢国鑫); Liu JD(刘纪德); Qiao HC(乔红超); Zhang, G.L.; Cui, C.Y.; Zhou YZ(周亦胄); Jin T(金涛); Zhao JB(赵吉宾); Sun XF(孙晓峰); Hu ZQ(胡壮麒)
Department装备制造技术研究室
Source PublicationVacuum
ISSN0042-207X
2016
Volume130Pages:25-33
Indexed BySCI ; EI
EI Accession number20162002374190
WOS IDWOS:000378450700004
Contribution Rank2
Funding OrganizationHigh Technology Research and Development Program of China (No. 2014AA041701), the National Natural Science Foundation of China (Nos. 51171179, 51271174, 51331005, 51501219, and 11332010) and the Natural Science Foundation of Liaoning Province in China (No. 2015020115).
KeywordWrought Superalloy Laser Shock Peening Surface Topography Surface Reliefs
Abstract

Surface topography of an upsetting wrought superalloy processed by laser shock peening was observed in microscale and a series of morphological characteristics such as surface reliefs with special orientation, destructive dimples were found. The longitudinal sizes of the micro surface structures are within 100 nm to 1000 nm generally. The mechanical response laws of metal materials under laser shock were proposed to explain the emergence of the special micro-structure characteristics. It can be concluded that the formation of surface reliefs is a release way of the internal stresses under laser shock and small dimples are deemed as an external representation of the release of impact energy in the mode of fracture damage.

Language英语
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS KeywordLy2 Aluminum-alloy ; Mechanical-properties ; Microstructural Evolution ; Plastic-deformation ; Fatigue Behavior ; Roughness ; Steel ; Simulation
WOS Research AreaMaterials Science ; Physics
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/18633
Collection智能产线与系统研究室
Corresponding AuthorLiu JD(刘纪德); Zhou YZ(周亦胄)
Affiliation1.Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, 114 Nanta Road, Shenyang 110016, China
Recommended Citation
GB/T 7714
Lu GX,Liu JD,Qiao HC,et al. Microscopic surface topography of a wrought superalloy processed by laser shock peening[J]. Vacuum,2016,130:25-33.
APA Lu GX.,Liu JD.,Qiao HC.,Zhang, G.L..,Cui, C.Y..,...&Hu ZQ.(2016).Microscopic surface topography of a wrought superalloy processed by laser shock peening.Vacuum,130,25-33.
MLA Lu GX,et al."Microscopic surface topography of a wrought superalloy processed by laser shock peening".Vacuum 130(2016):25-33.
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