Tribological Properties of Muscovite, CeO2 and Their Composite Particles as Lubricant Additives

被引：37
作者：
Du, Pengfei [1 ]
Chen, Guoxu [1 ]
Song, Shiyuan [1 ]
Chen, Hanlin [1 ]
Li, Jin [1 ]
Shao, Yi [1 ]
机构：
[1] Logist Engn Univ, Dept Oil Applicat & Management Engn, Chongqing 401311, Peoples R China
来源：
TRIBOLOGY LETTERS | 2016年 / 62卷 / 02期
关键词：
Muscovite; CeO2; Lubricant additive; Tribological properties; SERPENTINE MINERAL POWDERS; MECHANICAL-PROPERTIES; WEAR BEHAVIORS; OLEIC-ACID; FRICTION; ANTIWEAR; BORATE; NANOPARTICLES;
D O I：
10.1007/s11249-016-0676-9
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
CeO2 nanoparticles and muscovite/CeO2 (abbreviate: MC-Ce) composite particles were prepared by mechanical solid-state-chemistry-reaction method followed by surface modification with oleic acid. The microstructure of the materials was characterized by XRD, SEM, EDS and FTIR. The tribological properties of muscovite, CeO2 and MC-Ce dispersed into lubricant grease were investigated, and the worn surface was analyzed by SEM, EDS and XPS. Results show that muscovite, CeO2 and MC-Ce all can improve the friction-reduction and antiwear properties of lubricant grease and MC-Ce composite particles present better tribological performance than single particles. The excellent tribological performance of MC-Ce can be attributed to the formation of a chemical reaction film mainly consisting Fe2O3 and SiO2 as well as the formation of an adsorption film of MC-Ce on the worn surfaces.
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页数：9
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