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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
发表期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
卷号321页码:74-80
摘要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.; 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.
部门归属[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
关键词Nickel-base Superalloys Laser Shock Processing (Isp) Fatigue Fracture
学科领域Materials Science, Coatings & Films ; Physics, Applied
资助者High 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]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78041
专题中国科学院金属研究所
通讯作者Liu, JD; Jin, T (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
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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