IMR OpenIR
Effect of volume fraction of gradient nanograined layer on high-cycle fatigue behavior of Cu
Jing, Lijun1,2; Pan, Qingsong1; Long, Jianzhou1; Tao, Nairong1; Lu, Lei1
Corresponding AuthorLu, Lei(llu@imr.ac.cn)
2019-03-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume161Pages:74-77
AbstractFatigue behaviors of two Cu samples with different volume fractions of gradient nanograined (GNG) surface layer, prepared by surface mechanical grinding treatment, are investigated under stress-controlled high-cycle fatigue tests. With increasing the volume fraction of GNG layer from 43% to 13%, the fatigue endurance limit (at 107 cycles) of GNG Cu is enhanced from 88 to 98 MPa, much higher than that of coarse grained counterpart. Large volume fraction of GNG layer effectively postpones the extension of abnormal grain coarsening from a deeper subsurface layer to the topmost surface and thereby retards the initiation of surface fatigue crack. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordGradient nanograin (GNG) Copper The fatigue endurance limit Cyclic deformation Abnormal grain coarsening
Funding OrganizationNational Science Foundation of China ; key Research program of Frontier Science, CAS
DOI10.1016/j.scriptamat.2018.10.019
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation of China[51471172] ; National Science Foundation of China[51420105001] ; National Science Foundation of China[U1608257] ; key Research program of Frontier Science, CAS
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000450375500017
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130400
Collection中国科学院金属研究所
Corresponding AuthorLu, Lei
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Jing, Lijun,Pan, Qingsong,Long, Jianzhou,et al. Effect of volume fraction of gradient nanograined layer on high-cycle fatigue behavior of Cu[J]. SCRIPTA MATERIALIA,2019,161:74-77.
APA Jing, Lijun,Pan, Qingsong,Long, Jianzhou,Tao, Nairong,&Lu, Lei.(2019).Effect of volume fraction of gradient nanograined layer on high-cycle fatigue behavior of Cu.SCRIPTA MATERIALIA,161,74-77.
MLA Jing, Lijun,et al."Effect of volume fraction of gradient nanograined layer on high-cycle fatigue behavior of Cu".SCRIPTA MATERIALIA 161(2019):74-77.
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