CuS Nanoparticle Additives for Enhanced Ester Lubricant Performance

被引：28
作者：
Liu, Chenxu [1 ]
Friedman, Ofir [2 ,3 ]
Meng, Yonggang [1 ]
Tian, Yu [1 ]
Golan, Yuval [2 ,3 ]
机构：
[1] Tsinghua Uinvers, State Key Lab Tribol, Beijing 100084, Peoples R China
[2] Ben Gurion Univ Negev, Dept Mat Engn, IL-84105 Beer Sheva, Israel
[3] Ben Gurion Univ Negev, Ilse Katz Inst Nanoscale Sci & Technol, IL-84105 Beer Sheva, Israel
来源：
ACS APPLIED NANO MATERIALS | 2018年 / 1卷 / 12期
基金：
中国国家自然科学基金;
关键词：
CuS nanoparticle; lubricant; electric potential; adsorption behavior; friction reduction; SODIUM DODECYL-SULFATE; TRIBOLOGICAL PROPERTIES; WS2; NANOPARTICLES; FRICTION; SURFACE; ADSORPTION; WIRES;
D O I：
10.1021/acsanm.8b01632
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Lubrication performance of CuS nanoparticle additive in ester lubricant for the friction pair of ZrO2 ball and copper plate was investigated under different electric potential conditions. When the potential of the copper plate is lower than -14 V, the friction coefficient decreases from 0.18 to 0.05 after an induction period of running-in, the time of which is shorter if the voltage is lower. The significant friction reduction is attributed to the excess of positively charged nanoparticles in the vicinity of the negatively charged surface.
引用
收藏
页码：7060 / 7065
页数：11
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