The friction and wear behavior of Cu/Cu-MoS2 self-lubricating coating prepared by electrospark deposition

被引：39
作者：
Cao, Tongkun [1 ]
Lei, Shuting [2 ]
Zhang, Meng [2 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Electromech Engn, Qingdao 266061, Shandong, Peoples R China
[2] Kansas State Univ, Dept Ind & Mfg Syst Engn, Manhattan, KS 66506 USA
来源：
SURFACE & COATINGS TECHNOLOGY | 2015年 / 270卷
关键词：
Electrospark deposition; Self-lubricating coating; Wear resistance; Friction and wear; TRIBOLOGICAL BEHAVIORS; ALLOY; TEMPERATURE; CARBIDE;
D O I：
10.1016/j.surfcoat.2015.03.023
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cu/Cu-MoS2 self-lubricating coatings were prepared on high speed steel (HSS) by electrospark deposition (ESD). The friction and wear behavior of the coating was studied. The results show that the self-lubricating coatings have better wear resistance than uncoated HSS. The friction and wear properties depend on the deposition conditions. The optimum deposition conditions were the 4th grade capacitance, 7 min deposition time and 26% volume ratio of MoS2 to Cu. The worn surface showed that the wear mechanism of the self-lubricating coating was different from uncoated high speed steel, The wear mechanism of the self-lubricating coating was fatigue wear and abrasive wear. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：24 / 32
页数：9
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