Comparisons of dry sliding tribological behaviors between coarse-grained and nanocrystalline copper

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	Comparisons of dry sliding tribological behaviors between coarse-grained and nanocrystalline copper
	W. L. Li; N. R. Tao; Z. Han; K. Lu
	2012
发表期刊	Wear
ISSN	0043-1648
卷号	274 页码:306-312
摘要	Dry sliding tribological behaviors of nanocrystalline (NC) and coarse grained (CG) Cu were studied by using a ball-on-plate tribometer with a counterface ball of cemented tungsten carbide. The results showed that prior to oxidation and delamination, the steady-state friction coefficients (FCs) of NC and CG Cu are comparable (similar to 0.35). As oxidation with delamination of wear surface occur, the FC for either CG or NC Cu increases gradually, approaching a steady-state FC (similar to 0.63). The wear resistance of the NC Cu was enhanced by at least one order of magnitude under the measured loads ranging from 5 N to 25 N in comparison with the CG counterpart, which is mainly attributed to the higher hardness of the NC layer. (C) 2011 Elsevier B.V. All rights reserved.
部门归属	[li, w. l.; tao, n. r.; han, z.; lu, k.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;tao, nr (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;nrtao@imr.ac.cn
关键词	Sliding Wear Non-ferrous Metals Hardness Electron Microscopy Severe Plastic-deformation Nanostructured Metals Wear Properties Surface-layer Friction Contact Oxidation Nickel Strain Steel
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60072
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	W. L. Li,N. R. Tao,Z. Han,et al. Comparisons of dry sliding tribological behaviors between coarse-grained and nanocrystalline copper[J]. Wear,2012,274:306-312.
APA	W. L. Li,N. R. Tao,Z. Han,&K. Lu.(2012).Comparisons of dry sliding tribological behaviors between coarse-grained and nanocrystalline copper.Wear,274,306-312.
MLA	W. L. Li,et al."Comparisons of dry sliding tribological behaviors between coarse-grained and nanocrystalline copper".Wear 274(2012):306-312.