Friction and Wear Mechanism of MoS2/C Composite Coatings Under Atmospheric Environment

被引：39

作者：

Cai, Sheng ^{[1
,2
]}

Guo, Peng ^{[1
]}

Liu, Jingzhou ^{[1
]}

Zhang, Dong ^{[1
]}

Ke, Peiling ^{[1
]}

Wang, Aiying ^{[1
]}

Zhu, Yuejin ^{[2
]}

机构：

[1] Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[2] Ningbo Univ, Ningbo 315211, Zhejiang, Peoples R China

来源：

TRIBOLOGY LETTERS | 2017年 / 65卷 / 03期

基金：

中国国家自然科学基金;

关键词：

MoS2; Amorphous carbon; Mechanism; Transfer film; Re-ordering; TRIBOLOGICAL PROPERTIES; LUBRICANT FILMS; PEAK POSITIONS; CARBON; METAL; DISULFIDE; MO; MICROSTRUCTURE; STOICHIOMETRY; PERFORMANCE;

D O I：

10.1007/s11249-017-0862-4

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Tribological properties of MoS2/C coatings with different carbon contents (44.7-84.3 at.%) deposited by magnetron sputtering were systematically investigated under atmospheric environment. During tribological tests, the coating with the least MoS2 content exhibited the lowest friction coefficient and wear rate, while coating with the most MoS2 showed the worst performance. To understand friction and wear mechanism, multiple analytical tools such as SEM, EDS, Raman, XPS and TEM were applied to investigate the composition and structure. TEM and SEM characteristics proved that the tribofilm with multilayered structure was formed on the tribopair. The C-rich layer adhered to the tribopair and the top layer was well-ordered MoS2 tribofilm, and the dominated amorphous MoS2 was found between the two layers. It suggested that the shear plane was mainly made of wellordered MoS2 transfer film, while carbon improved the mechanical properties of the coatings, served as a lubricant and also inhibited the oxidation of MoS2.

引用

页数：12

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