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Dependence of stacking faults in gamma matrix on low-cycle fatigue behavior of a Ni-based single-crystal superalloy at elevated temperature
Wang, X. G.1; Liu, J. L.1; Liu, J. D.1; Zhou, Y. Z.1; Li, J. G.1; Sun, X. F.1; Do, J. H.2; Choi, B. G.2; Kim, I. S.2; Jo, C. Y.2
Corresponding AuthorWang, X. G.(xgwang11b@imr.ac.cn) ; Zhou, Y. Z.(yyzhou@imr.ac.cn) ; Li, J. G.(jgli@imr.ac.cn)
2018-07-15
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume152Pages:94-97
AbstractThe LCF behavior of a fourth-generation Ni-based single-crystal superalloy at elevated temperature with different total strain amplitudes has been studied. Notably, the experimental alloy demonstrated a significant work hardening behavior with the total strain amplitude increasing. A great number of SFs with different configurations in the gamma matrix was observed. The nature of work hardening was conclusively shown to be dependent upon the high density of SFs and Lomer-Cottrell dislocations in they matrix, which is rarely reported previously. This finding reported in this work provides us a new idea on high performance single-crystal superalloy design. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordSingle-crystal superalloy LCF behavior Deformation mechanism Stacking faults
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Scientific and Technology planning project of Shenyang
DOI10.1016/j.scriptamat.2018.04.020
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51671188] ; National Natural Science Foundation of China (NSFC)[51601192] ; Scientific and Technology planning project of Shenyang[17101200]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000435051400021
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128573
Collection中国科学院金属研究所
Corresponding AuthorWang, X. G.; Zhou, Y. Z.; Li, J. G.
Affiliation1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Korea Inst Mat Sci, High Temp Mat Res Grp, 797 Changwon Daero, Chang Won 641831, Gyeongnam, South Korea
Recommended Citation
GB/T 7714
Wang, X. G.,Liu, J. L.,Liu, J. D.,et al. Dependence of stacking faults in gamma matrix on low-cycle fatigue behavior of a Ni-based single-crystal superalloy at elevated temperature[J]. SCRIPTA MATERIALIA,2018,152:94-97.
APA Wang, X. G..,Liu, J. L..,Liu, J. D..,Zhou, Y. Z..,Li, J. G..,...&Jo, C. Y..(2018).Dependence of stacking faults in gamma matrix on low-cycle fatigue behavior of a Ni-based single-crystal superalloy at elevated temperature.SCRIPTA MATERIALIA,152,94-97.
MLA Wang, X. G.,et al."Dependence of stacking faults in gamma matrix on low-cycle fatigue behavior of a Ni-based single-crystal superalloy at elevated temperature".SCRIPTA MATERIALIA 152(2018):94-97.
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