Tribological Performance of Halogen-Free Ionic Liquids as Lubricants of Hard Coatings and Ceramics
作者： Yuriko Kondo , Takahiro Koyama , Ryo Tsuboi , Miki Nakano , Koji Miyake
DOI: 10.1007/S11249-013-0159-1
关键词:
摘要: Ionic liquids are expected to be used as new high-performance lubricants because of their low volatility, high thermal stability, and oxidation stability. It is well known that halogen-containing ionic exhibit excellent lubricity for metals. However, there a concern about the corrosiveness caused by formation halides. The halogen-free metals inferior liquids; however, they do not cause any remarkable corrosion effects. In this study, liquids—1-butyl-3-methylimidazolium tricyanomethanide ([BMIM] [TCC]) 1-ethyl-3-methylimidazolium dicyanamide ([EMIM] [DCN])—for hard coatings ceramics was evaluated using an SRV oscillating sliding tester. exhibited sintered ceramics. supposed depends on chemical interaction between surface liquids. different lubricating properties with each nitride coating. [EMIM] [DCN] better wear reduction than [BMIM] [TCC] CrN, its friction coefficient higher [TCC]. DLC [TCC], combination H-free particularly showed lubricity. XPS analysis two kinds nitrogen compounds were lubricated [DCN].
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