Lubricating and Conductive Properties of Modified Graphene/Silver Nanoparticles Under Current-Carrying Friction Conditions

被引:0
|
作者
Chen, Yuxin [1 ]
Peng, Kun [2 ]
Li, Xiao [3 ]
Sun, Luyi [1 ]
Su, Taiyu [1 ]
Zhang, Wei [1 ]
Zhang, Dancong [1 ]
Fan, Shiwei [1 ]
Yin, Hongbin [1 ]
Zhou, Ming [1 ,3 ]
机构
[1] Guangxi Univ Sci & Technol, Sch Mech & Automot Engn, Liuzhou 545006, Peoples R China
[2] Guangxi Jianxing Guangyin New Mat Technol Co Ltd, Nanning 530024, Peoples R China
[3] Guangxi Tsinglube New Mat Technol Co Ltd, 279 Feilu Ave, Liuzhou 545006, Peoples R China
基金
中国国家自然科学基金;
关键词
lubricity; current-carrying friction; graphene; IONIC LIQUID LUBRICANT; TRIBOLOGICAL PROPERTIES; PERFORMANCE; OXIDE; RAMAN;
D O I
10.3390/lubricants13010038
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
With the rapid development of the electric vehicle industry, motor bearings have higher requirements for the friction reduction and electrical conductivity of grease. The addition of lubricant additives to improve the interfacial state is an effective method for enhancing both lubrication and electrical conductivity. In this study, graphene (G) and silver nanoparticles (AG) were modified using ionic liquids (ILs) to prepare additive ionic liquid/graphene/silver nanoparticles (GILAG) with good performance. GILAG was incorporated into the grease, and the current-carrying friction test results demonstrated significant improvements in both lubrication and electrical conductivity, with a 63.66% decrease in contact resistance relative to the base grease. These excellent properties are mainly attributed to the synergistic effect between the G, IL, and AG in GILAG, which improves the interfacial state, promotes lubricity, and enhances the electrical conductivity of the friction interface. This work provides new conceptual bases for the design of conductive lubrication additives.
引用
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页数:17
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