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Effect of volume fraction of gradient nanograined layer on high-cycle fatigue behavior of Cu
Jing, Lijun; Pan, Qingsong; Long, Jianzhou; Tao, Nairong; Lu, Lei
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
Indexed BySCI
Language英语
WOS IDWOS:000450375500017
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/321006/81355
Collection中国科学院金属研究所
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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