Arid
DOI10.1016/j.surfcoat.2008.01.009
Sliding wear behavior of the supersonic plasma sprayed WC-Co coating in oil containing sand
Du, Lingzhong1; Xu, Binshi2; Dong, Shiyun2; Zhang, Weigang1; Zhang, Jingmin3; Yang, Hua2; Wang, Haijun2
通讯作者Du, Lingzhong
来源期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
出版年2008
卷号202期号:15页码:3709-3714
英文摘要

To improve the wear resistance of the cylinder liner of the engines operating in desert area, the tungsten carbide-based cermet coating (WC-12wt.%Co) was produced using the supersonic plasma spraying technique. The microstructure and phase composition of the as-sprayed coating were evaluated. The effect of sand size in lubricant on the friction and wear behavior of the coating under the lubrication of oil containing sand was investigated on a ball-on-disk tribometer. Characterization of the coating shows that the coating possesses dense microstructure with low level of porosity. The decarburization of WC is limited for the high particle velocity of the supersonic plasma spraying and only a few of W2C phases are observed in the coating. With the higher hardness and the good adhesion with the substrate the sprayed coating exhibits a better wear resistance compared with the gray casting iron used in the current cylinder liner. Micro-structural examination shows that the wear of coating is dominated by micro-cutting, WC particles pull-out and sub-surface indentation-induced sub-surface cracking, while the main wear mechanism of the gray casting iron is micro-cutting and plastic deformation. (C) 2008 Elsevier B.V. All rights reserved.


英文关键词supersonic plasma spray WC-Co wear oil lubrication sand
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000255492700035
WOS关键词CERMET COATINGS ; RESISTANCE ; HARDMETALS ; FUEL
WOS类目Materials Science, Coatings & Films ; Physics, Applied
WOS研究方向Materials Science ; Physics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159268
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100080, Peoples R China;
2.Natl Key Lab Remfg, Beijing 100072, Peoples R China;
3.China Iron & Steel Res Inst Grp, Beijing 100072, Peoples R China
推荐引用方式
GB/T 7714
Du, Lingzhong,Xu, Binshi,Dong, Shiyun,et al. Sliding wear behavior of the supersonic plasma sprayed WC-Co coating in oil containing sand[J],2008,202(15):3709-3714.
APA Du, Lingzhong.,Xu, Binshi.,Dong, Shiyun.,Zhang, Weigang.,Zhang, Jingmin.,...&Wang, Haijun.(2008).Sliding wear behavior of the supersonic plasma sprayed WC-Co coating in oil containing sand.SURFACE & COATINGS TECHNOLOGY,202(15),3709-3714.
MLA Du, Lingzhong,et al."Sliding wear behavior of the supersonic plasma sprayed WC-Co coating in oil containing sand".SURFACE & COATINGS TECHNOLOGY 202.15(2008):3709-3714.
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