Tribological behaviors of Pb/MoS2 film under electrical condition in vacuum

被引：5

作者：

Wang, Peng ^{[1
,2
]}

Zhang, Guangan ^{[1
]}

Lu, Zhibin ^{[1
]}

Yue, Wen ^{[2
,3
]}

Zhu, Lina ^{[2
,3
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] China Univ Geosci Beijing, Sch Engn & Technol, Beijing 100083, Peoples R China

[3] China Univ Geosci Beijing, Natl Int Joint Res Ctr Deep Geodrilling Equipment, Beijing 10008, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 07期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

Pb/MoS2; film; tribology; wear mechanism; electric current; COMPOSITE COATINGS; WEAR PROPERTIES; FRICTION; MICROSTRUCTURE; XPS;

D O I：

10.1088/2053-1591/ab144b

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The tribological behaviors of sputter-deposited Pb/MoS2 film against Al balls and Cu balls under electric currents in vacuum, and the potential mechanisms of the film were investigated. When tested against Al balls, both friction coefficients and wear rates of the Pb/MoS2 film decreased when the currents were less than 0.3 A, and increased at higher electric current conditions; the main wear mechanism was the adhesive wear under electric currents. Differently, the Pb/MoS2 film showed large friction coefficients and wear rates when tested against Cu balls with the current increasing from 0 A to 0.9 A; the failure mechanism was the adhesive wear, abrasive wear and the coupling effect.

引用

页数：17

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