Friction performance of WC-Co coating with lithium grease and water lubrication

被引：2
|
作者：
Wei, Songbo [1 ]
Pei, Xiaohan [1 ]
Shi, Bairu [1 ]
Xie, Yi [1 ]
Shao, Tianmin [2 ]
Shang, Hongfei [2 ]
机构：
[1] PetroChina Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China
[2] Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SURFACE SCIENCE AND ENGINEERING | 2016年 / 10卷 / 03期
关键词：
high-velocity oxygen fuel; HVOF; WC-Co coating; hardness; friction; grease lubrication; MECHANICAL-PROPERTIES; WEAR BEHAVIOR; TRIBOLOGICAL BEHAVIOR; COMPOSITE COATINGS; WC-12CO COATINGS; HIGH-TEMPERATURE; CERMET COATINGS; CARBON-STEEL; HVOF; CORROSION;
D O I：
10.1504/IJSURFSE.2016.076998
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
WC-Co coatings were sprayed by high-velocity oxygen fuel (HVOF) on bearing steels. The coating consisted of a high volume fraction of WC particles in cobalt matrix. The hardness of WC-Co coating was 60% higher than that of the bearing steel. The friction coefficients of WC-Co coating and bearing steel sliding against mild steel were tested with lithium grease and water lubrication. The friction results indicated that the friction coefficient increased with increasing loads. The friction coefficient of WC-Co coating was lower than that of bearing steels no matter with grease lubrication or with water lubrication.
引用
收藏
页码：272 / 281
页数：10
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