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Friction and Wear Behavior of 1-Octyl-3-methylimidazolium Lactate Ionic Liquid as Lubricant in Steel–Steel Contacts
Tribology Transactions ( IF 1.759 ) Pub Date : 2019-07-18 , DOI: 10.1080/10402004.2019.1625992
Changchao Sheng; Hui Chen; Jingjie Zhang; Zhaoqiang Chen; Mingdong Yi; Guangchun Xiao; Chonghai Xu

The friction and wear behavior of 1-octyl-3-methylimidazolium lactate ionic liquid (L-L108) between steel surfaces was investigated in ball-on-disc sliding friction tests. At an applied load of 5 N and rotating speed of 200 rpm, the friction coefficient of L-L108 was measured as 0.023, which is about one third and one fifth the values of ionic liquid L-P108 (0.068) and SAE 10W-40 engine oil (0.107), respectively. Studies on wear surfaces show that the wear morphology improved when lubricated with L-L108. In addition, the anticorrosion property of L-L108 is better than that of L-P108. Possible mechanisms behind these encouraging performances of L-L108 are discussed and it was found that the interactions between L-L108 and steel surfaces are possible reasons for the reduction in friction coefficient and the improved wear morphology.
更新日期:2020-01-04

 

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