Influence of MoS2 coating treatment on the damage behaviour of the self-lubricating friction pair of spherical plain bearings

被引:0
|
作者
Zong, Fatao [1 ]
Yang, Xiaoqiang [1 ]
Tan, Deqiang [1 ,2 ]
Ye, Qiang [1 ]
Hu, Yue [1 ]
He, Qiang [1 ]
Yang, Wenfeng [1 ]
Gao, Huiying [1 ]
机构
[1] Civil Aviat Flight Univ China, Aviat Engn Coll, Guanghan, Peoples R China
[2] Civil Aviat Flight Univ China, Aviat Engn Coll, Guanghan 618137, Peoples R China
关键词
MoS2; coating; PTFE/Kevlar fibre; wear mechanism; self-lubricating property; damage evolution; TRIBOLOGICAL BEHAVIOR; COMPOSITE; PERFORMANCE; LINERS;
D O I
10.1177/13506501231201689
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This study applied a MoS2 coating layer on the surface of 100Cr6 bearing steel balls through high-temperature sintering and tested and evaluated the modified friction pair. Compared to the unmodified friction pair, the MoS2 coating treatment significantly improved the self-lubricating property of the friction pair, reduced the friction coefficient of the friction pair by 0.05, maximum wear depth was reduced by 32% during the test cycle and prolonged the retention time of the PTFE transfer film at the friction interface. After modification, the wear mechanism of the friction pair changed from abrasive wear to fatigue wear and then to slight adhesive wear. Results indicate that MoS2 coating has great application prospects in improving the tribological properties and operational reliability of spherical plain bearings.
引用
收藏
页码:2138 / 2149
页数:12
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