Abstract
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.
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The authors are grateful to the FICYT (the Foundation for the promotion in Asturias of the Applied Scientific Research and Technology) for supporting this article within the framework of the Research Project IB09-047. In addition, we would like to thank the Unit for Molecular Spectroscopy and XPS from the Scientific-Technical Services of the University of Oviedo.
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González, R., Hernández Battez, A., Blanco, D. et al. Lubrication of TiN, CrN and DLC PVD Coatings with 1-Butyl-1-Methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate. Tribol Lett 40, 269–277 (2010). https://doi.org/10.1007/s11249-010-9674-5
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DOI: https://doi.org/10.1007/s11249-010-9674-5