Table of Contents
Lubricants, Volume 7, Issue 3 (March 2019)
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Cover Story (view full-size image) The focus of this study is the effect environmental humidity has on the tribological behavior of [...] Read more. The focus of this study is the effect environmental humidity has on the tribological behavior of steel surfaces lubricated with an ionic liquid comprised of a fluorinated phosphonium cation—tributyl-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-octyl-phosphonium—and a dicyanamide anion (F6). Water was found to be necessary to promote the formation of a tribofilm over the contact area. A surface-chemical analysis of the tribofilm indicated that the simultaneous presence of fluorine and phosphorus provides F6 with the good lubricant properties that are typical of halogen-bearing ILs and the corrosion-inhibiting properties of phosphonium based-ILs. View this paper.