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题名: Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure
作者: Lu, G. X.;  Liu, J. D.;  Qiao, H. C.;  Jin, T.;  Sun, X. F.
发表日期: 2017-7-15
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.
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Recommended Citation:
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.

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