Probing the lubricating mechanism of oil-soluble ionic liquids additives

被引：93
作者：
Huang, Guowei [1 ,2 ]
Yu, Qiangliang [1 ,2 ]
Ma, Zhengfeng [1 ]
Cai, Meirong [1 ]
Liu, Weimin [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2017年 / 107卷
基金：
中国国家自然科学基金;
关键词：
Oil-soluble ionic liquids; Lubricating mechanism; External potential; Hydroxylated surface; INTERFACE; NANOSTRUCTURE; PLASMA; PERFORMANCE; CERAMICS; FRICTION; ANTIWEAR; STM; AFM;
D O I：
10.1016/j.triboint.2016.08.027
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To clarify the lubricating mechanism, two kinds of oil-soluble ionic liquids (ILs) with the same cation but different anions are synthesized, and. then they are added into PAO10 as additives with different mass concentration. The tribological results indicate that the mixtures perform better lubricating performance than neat PAO10 for steel/steel contacts. Then quartz crystal monitor (QCM), X-ray photoelectron spectroscopy (XPS), plasma treatment, and external potential are introduced to clarify the lubricating mechanism of ILs as additives. The lubricating mechanism of the kind of ILs can be attributed to the good adsorptivity of cations and tribochemical films on the sliding surfaces.
引用
收藏
页码：152 / 162
页数：11
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