Effects of graphite fluoride nanoparticles on the tribological properties of lithium composite grease

被引：0
|
作者：
Qiu, Jian-Wei [1 ]
Zhu, Shuai [2 ]
Wang, Li-Ping [1 ]
Wang, Yue [1 ]
Zhang, Li-Juan [1 ]
Dong, Guang-Neng [2 ]
Ji, Zheng-Jia [3 ]
机构：
[1] PetroChina Lanzhou Lubricating Oil R&D Inst, Lanzhou 730060, Peoples R China
[2] Xi An Jiao Tong Univ, Educ Minist Modern Design & Rotor Bearing Syst, Key Lab, Xian 710049, Shanxi, Peoples R China
[3] Qinghai Univ, Coll Mech Engn, Xining 810016, Peoples R China
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2025年
关键词：
Graphite fluoride (FGi) nanoparticles; Nano additives; Lithium composite grease; Friction and wear; Lubrication; CARBON NANOTUBES; CALCIUM GREASE; ADDITIVES; GRAPHENE; BEHAVIOR;
D O I：
10.1007/s12206-025-0313-3
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The effects of graphite fluoride (FGi) nanoparticles on the tribological properties of lithium composite grease were investigated with a four-ball tester. When the mass fraction of FGi was 0.2 wt%, it had the best tribological performance, and the friction coefficient and the wear-spot diameter were reduced by 12.9 % and 13.3 %, respectively. Scanning electron microscopy, laser scanning confocal microscopy (LSCM), and X-ray photoelectron spectroscopy were used to observe the steel-ball wear spot. These results showed that FGi nanoparticles filled the surface of the wear spot and generated FeF3 film during the friction process.
引用
收藏
页码：1863 / 1869
页数：7
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