润滑脂摩擦磨损自修复特性  

SELF-REPAIRING FUNCTION OF LUBRICATING GREASE

作　　者：郭小川[1] 蒋明俊[1] 何灼成[2] 孙玉秋[1] 邓才超 

机构地区：[1]后勤工程学院,重庆400016 [2]驻中国石油兰州石化公司军代室,兰州730060 [3]陆航研究所,北京101121

出　　处：《石油学报（石油加工）》2010年第4期564-570,共7页Acta Petrolei Sinica(Petroleum Processing Section)

基　　金：重庆市科委项目(CSTC2009AB4225)资助

摘　　要：采用质量分析法,通过四球实验,分析了2种自修复添加剂LaF3和层状硅酸钠的摩擦学性能和自修复性能;通过XPS和EDS分析添加剂在磨斑表面的沉积条件和情况,分析了影响其沉积的因素和自修复条件;采用AES能谱仪和SEM扫描电镜分析了磨斑表面元素沿深度变化,并对修复前后的磨斑表面作了对比,提出了其在润滑脂中的摩擦自修复作用机理。Self-repairing properties of two kinds of particle materials were investigated in lithium based grease by using a four-ball friction tester,based on the mass losses of the tribomates.Deposit and self-repairing conditions of the two additives were analyzed by way of XPS and EDS,and the spot surfaces were contrastingly analyzed applying the SEM.The experimental results showed that the self-repairing performances of rare earth fluoride and layered silicate were remarkable and their tribological properties were excellent.Their anti-wear and self-repairing mechanisms were also studied.

关 键 词：润滑脂 摩擦磨损 自修复 稀土氟化物 层状硅酸盐 

分 类 号：TE626.4[石油与天然气工程—油气加工工程]