Fretting wear behavior of nanocrystalline surface layer of pure copper under oil lubrication
文献类型：期刊论文
| 作者 | Y. S. Zhang ; Z. Han |
| 刊名 | Tribology Letters
 |
| 出版日期 | 2007 |
| 卷号 | 27期号:1页码:53-59 |
| 关键词 | nanocrystalline metals oil lubrication fretting transfer copper metal-matrix composite tribological properties coatings friction steel |
| ISSN号 | 1023-8883 |
| 中文摘要 | Lubricated fretting tests in mineral oil were performed with a nanocrystalline surface layer on a pure bulk Cu prepared by surface mechanical attrition treatment (SMAT) against a WC-Co ball. It was found that the nanocrystalline surface layer exhibited a markedly enhanced fretting wear resistance and higher friction coefficient relative to the coarse-grained (CG) form. The wear volume of the SMAT Cu is one order of magnitude lower than that of the CG Cu. The friction coefficient of the SMAT Cu increases with an increasing load and frequency, while for the CG Cu, the friction coefficient increases with an increasing fretting frequency up to 100 Hz and thereafter decreases. The higher hardness of the SMAT Cu is suggested to be the main factor causing its improved wear resistance and higher friction coefficient. A discontinuous metal transfer layer can be found on the WC-Co ball only after fretting against the SMAT Cu, which may partly account for the higher wear resistance of the SMAT Cu in comparison with the CG Cu. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/34060]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | Y. S. Zhang,Z. Han. Fretting wear behavior of nanocrystalline surface layer of pure copper under oil lubrication[J]. Tribology Letters,2007,27(1):53-59. |
| APA | Y. S. Zhang,&Z. Han.(2007).Fretting wear behavior of nanocrystalline surface layer of pure copper under oil lubrication.Tribology Letters,27(1),53-59. |
| MLA | Y. S. Zhang,et al."Fretting wear behavior of nanocrystalline surface layer of pure copper under oil lubrication".Tribology Letters 27.1(2007):53-59. |
入库方式： OAI收割
来源：金属研究所
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