Tribological properties of 3 types of MoS2 additives in different base greases

被引：35
|
作者：
Hu, E. Z. [1 ]
Xu, Y. [1 ,2 ]
Hu, K. H. [1 ]
Hu, X. G. [3 ]
机构：
[1] Hefei Univ, Dept Chem & Mat Engn, Hefei 230601, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Chem & Chem Engn, Hefei 230009, Anhui, Peoples R China
[3] Hefei Univ Technol, Inst Tribol, Hefei 230009, Anhui, Peoples R China
来源：
LUBRICATION SCIENCE | 2017年 / 29卷 / 08期
基金：
中国国家自然科学基金;
关键词：
additives; greases; molybdenum disulfide; nanoparticles; MOLYBDENUM-DISULFIDE; MORPHOLOGICAL INFLUENCE; IF-MOS2; NANOPARTICLES; FRICTION; BEHAVIOR; WEAR; LUBRICATION; NANOTUBES; SIZE; OIL;
D O I：
10.1002/ls.1387
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A tribological comparison was conducted among micro-MoS2 (m-MoS2), platelet-like nano-MoS2, and spherical nano-MoS2 in lithium grease, lithium-calcium grease, and polyurea grease, respectively. Micro-MoS2 slightly improved the lubrication of the 3 greases. The 2 nano-MoS2 samples had obvious superiority over m-MoS2. The tribofilms produced by nano-MoS2 contained MoS2 and MoO3. However, the tribofilms with m-MoS2 did not contain Mo, or Mo only existed in the form of MoO3. The absence of MoS2 in tribofilms was the main reason for the poor lubrication of m-MoS2 greases. Moreover, the improved lubrication of the spherical nano-MoS2 greases than the platelet-like nano-MoS2 ones was ascribed to the lubricating superiority of the spherical structure to the platelet-like one.
引用
收藏
页码：541 / 555
页数：15
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