Tribological behaviour of PVD coatings lubricated with a FAP− anion-based ionic liquid used as an additive.

Viesca, J.L., Anand, M., Fernandez-Gonzalez, A., Garcia, A. and Hadfield, M., 2016. Tribological behaviour of PVD coatings lubricated with a FAP− anion-based ionic liquid used as an additive. Lubricants, 4 (1).

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DOI: 10.3390/lubricants4010008

Abstract

This paper studies 1-butyl-1-methylpyrrolidinium tris(pentafluoroethyl) trifluorophosphate ionic liquid ([BMP][FAP]) as a 1 wt% additive to a polyalphaolefin (PAO 6) in the lubrication of CrN and TiN PVD coatings. Friction and wear behaviour were determined by using a ball-on-plate reciprocating tribometer at two loads (20 and 40 N) and a reciprocating frequency of 10 Hz. The tribological behaviour of this mixture has also been compared to a traditional oil additive, like zinc dialkyldithiophosphate (ZDDP). As an additive, ionic liquid exhibited an important friction and wear reduction compared to the base oil. However, tests conducted with ZDDP show slightly better results. XPS was used to analyse wear surfaces. The interactions of each additive with the surface contributed to improving the tribological behaviour of the lubricants.

Item Type:Article
ISSN:2075-4442
Uncontrolled Keywords:lubricant additives; PVD coatings; ionic liquids; friction coefficient
Subjects:UNSPECIFIED
Group:Faculty of Science and Technology
ID Code:23802
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:09 Jun 2016 14:22
Last Modified:09 Jun 2016 15:32

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