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Effect of Volume Fraction of Gradient Nanograined Layer on Low-Cycle Fatigue Behavior of Cu
Jing, Li-Jun; Pan, Qing-Song; Lu, Lei
2019-08-15
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
AbstractLow-cycle fatigue properties and cyclic behaviors of two pure Cu samples skinned with different volume fractions of gradient nanograined (GNG) layer are investigated under total strain-amplitude-controlled fatigue tests. Increasing the volume fraction of high-strength GNG layer can greatly elevate the cyclic stress amplitude of GNG/coarse grain (CG) Cu, compared with that of CG Cu fatigued at the same strain amplitude. Distinctly, it does not clearly influence the low-cycle fatigue life of GNG/CG samples with different GNG volume fractions, i.e., both exhibit comparable fatigue lives, even longer than their CG counterpart. Such enhanced low-cycle fatigue life is mainly due to the progressive homogenization of the gradient surface nanostructure, which effectively suppresses the surface roughening and fatigue cracking of the GNG/CG samples during cyclic straining.
Keywordcopper cyclic deformation fatigue properties gradient nanograins homogeneous grain coarsening
Indexed BySCI
Language英语
WOS IDWOS:000481337900001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80842
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Jing, Li-Jun,Pan, Qing-Song,Lu, Lei. Effect of Volume Fraction of Gradient Nanograined Layer on Low-Cycle Fatigue Behavior of Cu[J]. ADVANCED ENGINEERING MATERIALS,2019.
APA Jing, Li-Jun,Pan, Qing-Song,&Lu, Lei.(2019).Effect of Volume Fraction of Gradient Nanograined Layer on Low-Cycle Fatigue Behavior of Cu.ADVANCED ENGINEERING MATERIALS.
MLA Jing, Li-Jun,et al."Effect of Volume Fraction of Gradient Nanograined Layer on Low-Cycle Fatigue Behavior of Cu".ADVANCED ENGINEERING MATERIALS (2019).
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