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Dry sliding wear behavior of copper with nano-scaled twins
Zhang, Y. S.; Wang, K.; Han, Z.; Liu, G.
Corresponding AuthorHan, Z.(zhonghan@imr.ac.cn)
2007-05-10
Source PublicationWEAR
ISSN0043-1648
Volume262Issue:11-12Pages:1463-1470
AbstractA 99.99 wt.% copper plate with a surface layer containing a high density of nano-scaled twins has been synthesized by means of surface mechanical attrition treatment (SMAT). The friction and wear characteristics of the nano-twinned Cu sample were investigated in comparison with those of equiaxed nanocrystalline Cu and coarse-grained (CG) Cu samples. The tribological properties are markedly enhanced with nano-scaled twin surface layer relative to the coarse-grained form at all the loads and the sliding speeds, which is supposed to originate from the strengthening of twin boundaries. The friction coefficients and wear rates of the nano-twinned and the CG Cu increase slowly with an increasing sliding speed, and slightly decrease at a speed of 0.08 m/s. When the speed exceeds 0.08 m/s, there occurs a steep increase of the friction coefficients and wear rates for all the samples, corresponding to the wearing away of the mixed surface layer. (C) 2007 Elsevier B.V. All rights reserved.
Keywordcopper nano-scaled twin sliding unlubricated wear surface mechanical attrition treatment (SMAT)
DOI10.1016/j.wear.2007.01.012
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
WOS IDWOS:000246732800022
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:53[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/90195
Collection中国科学院金属研究所
Corresponding AuthorHan, Z.
AffiliationChinese Acad Sci, Natl Lab Mat Sci, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Y. S.,Wang, K.,Han, Z.,et al. Dry sliding wear behavior of copper with nano-scaled twins[J]. WEAR,2007,262(11-12):1463-1470.
APA Zhang, Y. S.,Wang, K.,Han, Z.,&Liu, G..(2007).Dry sliding wear behavior of copper with nano-scaled twins.WEAR,262(11-12),1463-1470.
MLA Zhang, Y. S.,et al."Dry sliding wear behavior of copper with nano-scaled twins".WEAR 262.11-12(2007):1463-1470.
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