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This study reports on an ionic liquid (IL) 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide as a promising engine lubricant candidate . This IL has a relatively low viscosity of 4.7cSt (similar to 0W-10 racing engine oil), a low viscosity–pressure (V–P) coefficient of 6.5GPa −1 at 100°C, a high viscosity index of 159, and a high onset decomposition temperature of 472°C. The ionic...
Ionic liquids (ILs) have been receiving considerable attention from the lubricants industry as potential friction and wear-reducing additives, but their solubility in oils is an issue. Unlike most ionic liquids that are insoluble in non-polar hydrocarbon oils, this study reports phosphonium-based ILs (PP-ILs) that are fully miscible with both mineral oil-based and synthetic lubricants. Both the cation...
Sliding friction and wear characteristics of aluminum alloys against AISI 52100 steel lubricated by ionic liquids (ILs) were investigated at both room and elevated temperatures. The tested aluminum alloys include a commercially pure aluminum Al 1100–O, a wrought alloy Al 6061–T6511, and a cast alloy Al 319–T6. The lubricating performance of two ILs with the same anion, one ammonium-based [C 8...
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