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Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure
Lu, G. X.; Liu, J. D.; Qiao, H. C.; Jin, T.; Sun, X. F.; Liu, JD; Jin, T (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-07-15
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume321Pages:74-80
AbstractIsothermal fatigue testing was conducted on single crystal nickel-base superalloys. Distinct cracking behaviors were found to occur in the specimens treated by different laser shock processing (ISP) technologies. A crack generally initiates from the casting micropore. For the well surface strengthened specimens suffered high laser shock intensities, the crack initially grows along one or more of the {111} planes and falls on the edge of the cylindrical specimen. For the poorly strengthened specimens, the final fracture area is usually located inside. (C) 2017 Elsevier B.V. All rights reserved.; Isothermal fatigue testing was conducted on single crystal nickel-base superalloys. Distinct cracking behaviors were found to occur in the specimens treated by different laser shock processing (ISP) technologies. A crack generally initiates from the casting micropore. For the well surface strengthened specimens suffered high laser shock intensities, the crack initially grows along one or more of the {111} planes and falls on the edge of the cylindrical specimen. For the poorly strengthened specimens, the final fracture area is usually located inside. (C) 2017 Elsevier B.V. All rights reserved.
description.department[lu, g. x.] univ chinese acad sci, 19 yuquan rd, beijing 100049, peoples r china ; [lu, g. x. ; liu, j. d. ; jin, t. ; sun, x. f.] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [qiao, h. c.] chinese acad sci, shenyang inst automat, 114 nanta rd, shenyang 110016, liaoning, peoples r china
KeywordNickel-base Superalloys Laser Shock Processing (Isp) Fatigue Fracture
Subject AreaMaterials Science, Coatings & Films ; Physics, Applied
Funding OrganizationHigh Technology Research and Development Program of China [2014AA041701]; National Natural Science Foundation of China [51171179, 51271174, 51331005, 51501219, 11332010]; Natural Science Foundation of Liaoning Province in China [2015020115]
Indexed BySCI
Language英语
WOS IDWOS:000405881900010
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78041
Collection中国科学院金属研究所
Corresponding AuthorLiu, JD; Jin, T (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Lu, G. X.,Liu, J. D.,Qiao, H. C.,et al. Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure[J]. SURFACE & COATINGS TECHNOLOGY,2017,321:74-80.
APA Lu, G. X..,Liu, J. D..,Qiao, H. C..,Jin, T..,Sun, X. F..,...&Jin, T .(2017).Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure.SURFACE & COATINGS TECHNOLOGY,321,74-80.
MLA Lu, G. X.,et al."Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure".SURFACE & COATINGS TECHNOLOGY 321(2017):74-80.
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