Tribological Characteristics of Graphene as Lithium Grease Additive

被引：0
|
作者：
Wang Jing [1 ]
Guo Xiaochuan [1 ]
He Yan [1 ]
Jiang Mingjun [1 ]
Guo Wanqing [2 ]
Zhang Yuantao [3 ]
Sun Rong [4 ]
机构：
[1] Logist Engn Univ, Chongqing 401311, Peoples R China
[2] PLA, Army 92880, Zhoushan 316000, Peoples R China
[3] Logist Univ PAP, Tianjin 300309, Peoples R China
[4] Chongqing Business Vocat Coll, Chongqing 401331, Peoples R China
来源：
CHINA PETROLEUM PROCESSING & PETROCHEMICAL TECHNOLOGY | 2017年 / 19卷 / 01期
关键词：
graphene; lithium grease; tribological properties; tribochemical mechanism; CARBON NANOTUBES; LUBRICANT; NANOSHEETS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The tribological properties of graphene (GN) and graphite (G) as lubricant additives in lithium greases were investigated with a four-ball tribotester. The micro-morphology as well as the content and chemical state of elements on the worn surfaces was characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The results showed that the tribological performance of lithium grease could be significantly improved by the addition of graphene. During the friction process, an adhesion film and a deposition film consisted of graphene as well as a tribochemical reaction film composed of FeO, Fe2O3, FeOOH and LiOH could be formed on the tribosurface, and these complex films were responsible for the improved tribological performance of lithium grease.
引用
收藏
页码：46 / 54
页数：9
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