Damages on the lubricated surfaces in bearings under the influence of weak electrical currents

查看全文 作　　者：XIE [1]GuoXin;LUO [1]JianBin;GUO [1]Dan;LIU [1]ShuHai;LI [1]Gang

机构地区：[1]State Key Laboratory of Tribology, Tsinghua University

出　　处：《Science China(Technological Sciences)》索引2013年第56卷第12期,共9页

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.51105221,91023016);the International Science&Technology Cooperation Project(Grant No.2011DFA70980) 摘　　要：A special bearing tester was constructed to investigate the damage behavior on the lubricated surfaces in bearings with the passage of weak electrical currents as low as^1 mA.The results showed that when polar glycerine was used as the lubricant,many narrow and deep pits formed on the lubricated surfaces.In contrast,when the experimental conditions under the lubrication of the nonpolar paraffin oil were close to those under the lubrication of polar glycerine oil,damages on the lubricated surfaces were unobvious.Emergence of microbubbles in polar lubricants with the passage of electrical currents was proposed to be responsible for the observed damages on the lubricated surfaces. 关键词：轴承试验机润滑剂表面电流损害非极性实验条件石蜡油

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Damages on the lubricated surfaces in bearings under the influence of weak electrical currents

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