Lubrication of TiN, CrN and DLC PVD coatings with 1-butyl-1- methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate

This source preferred by Antolin Hernandez Battez

Authors: González, R., Hernández Battez, A., Blanco, D., Viesca, J.L. and Fernández-González, A.

Journal: Tribology Letters

Volume: 40

Issue: 2

Pages: 269-277

This article studies 1-butyl-1-methylpyrrolidinium tris(pentafluoroethyl) trifluorophosphate ionic liquid ([BMP][FAP]) as neat lubricant and 1 wt% additive to a polyalphaolefin (PAO 6) in the lubrication of TiN, CrN and diamond-like carbon (DLC) PVD coatings. Friction and wear tests were made using a ball-on-plate reciprocating tribometer under high-pressure conditions. Experiment results showed a slight friction reduction with the use of the [BMP][FAP] ionic liquid as oil additive compared with test made with neat PAO 6. [BMP][FAP] as neat lubricant provoked the lowest friction coefficients and an important wear reduction. Interactions of the ionic liquid with the surface and tribofilms formation contributed to the increase in the load-carrying capacity. © 2010 Springer Science+Business Media, LLC.

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