Tribological properties of MoSx/rGO nanohybrids as additives in deep eutectic solvent

被引：16
作者：
Gao, Qiulong [1 ,2 ]
Liu, Shuwen [1 ,4 ]
Hou, Kaiming [1 ,4 ]
Miao, Xiaonan [1 ,2 ]
Li, Zhangpeng [1 ,2 ,3 ,4 ]
Wang, Jinqing [1 ,2 ]
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, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Yantai Zhongke Res Inst Adv Mat & Green Chem Engn, Yantai 264006, Peoples R China
[4] Qingdao Ctr Resource Chem & New Mat, Qingdao 266000, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 186卷
基金：
中国国家自然科学基金;
关键词：
Deep eutectic solvents; MoSx; rGO nanohybrid; Lubricant additive; Tribological performance; CHOLINE CHLORIDE; GRAPHENE; LUBRICANTS; MOS2; SPECTROSCOPY; PERFORMANCE; DISULFIDE; OIL;
D O I：
10.1016/j.triboint.2023.108652
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Environment-friendly and sustainable deep eutectic solvents (DESs) are considered as a new type of lubricant. Here, MoSx/rGO nanohybrids were prepared as lubricant additive to improve the tribological performance of DES. The nanohybrids exhibited excellent dispersibility in DES. Tribological tests indicated that the DES with 1.5 wt% of MoSx/rGO additive exhibited the best lubrication performance for steel tribopair by reducing friction (-31.2%) and wear (-88.2%) due to the synergistic effect between the MoSx/rGO nanohybrid and DES. The superior lubricating properties of DES containing nanohybrids are primarily due to the attachment of nano-hybrids to the friction interface, which triggers the formation of a robust tribofilm. These findings provide new insights into enhancing the tribological performance of DES by incorporating effective additives.
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页数：11
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