Tribological properties and wear mechanism of molybdenum disulfide-carbon composite film under low temperature in vacuum

被引：2
作者：
Li, Xuanyu [1 ,2 ]
Zhang, Yaxin [1 ,2 ]
Ji, Li [2 ]
Liu, Xiaohong [2 ]
Lu, Lina [1 ]
Wang, Zhe [1 ]
Sun, Chufeng [1 ]
Li, Hongxuan [2 ]
机构：
[1] Northwest Minzu Univ, Sch Chem Engn, Key Lab Environm, Friendly Composite Mat State Ethn Affairs Commiss, Lanzhou 730030, Peoples R China
[2] Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 199卷
基金：
中国国家自然科学基金;
关键词：
MoS 2-C composite film; Low temperature; Tribological properties; Wear mechanism; Vacuum; LUBRICATING COATINGS; DEPENDENT FRICTION; BEHAVIOR; MOS2;
D O I：
10.1016/j.triboint.2024.109926
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Molybdenum disulphide-carbon (MoS 2-C) composite films were prepared by closed-field non-equilibrium magnetron sputtering, and the tribological properties of the films were tested at 50 K, 100 K, 200 K and 300 K using a cryogenic tribotester in vacuum. The effect of low temperature on the structure, mechanical and tribological properties of the films was investigated. The results show that the wear period of the films is gradually prolonged and the wear rate increases as the temperature decreases, and the lattice spacing of the films decreases significantly at 50 K, which prevents the formation of ordered and easily shearable MoS 2 (002) crystalline surfaces and transfer films. In conclusion, the tribological properties of MoS 2-C composite films are reversible and depend on the temperature change.
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页数：11
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