Tribological performance of thermally sprayed cermet coatings containing solid lubricants

被引：28
|
作者：
Voyer, J [1 ]
Marple, BR [1 ]
机构：
[1] Natl Res Council Canada, Inst Ind Mat, Boucherville, PQ J4B 6Y4, Canada
来源：
SURFACE & COATINGS TECHNOLOGY | 2000年 / 127卷 / 2-3期
关键词：
thermal spraying; high velocity oxy-fuel (HVOF); cermet coatings; solid lubricant; sliding wear;
D O I：
10.1016/S0257-8972(00)00667-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Protective WC-10Ni cermet coatings containing a small portion of solid lubricant [MoS2, WS, or fluorinated ethylene propylene (FEP teflon)] for use in wear applications needing a low coefficient of friction were investigated in this study. These coatings were deposited on stainless steel substrates using the HVOF thermal spray process. The solid lubricant powders were added to the WC-10Ni cermet powder and mechanically mixed prior to the deposition. The performance of each coating was evaluated using a sliding wear test on a carbon-graphite counterpart to measure the coefficient of friction and the wear rate. The addition of solid lubricants to the cermet coating did not change significantly the coefficient of friction when sliding against carbon-graphite but the wear rate of both rubbing parts was greatly influenced. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：155 / 166
页数：12
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