期刊
TRIBOLOGY LETTERS
卷 40, 期 2, 页码 269-277出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11249-010-9674-5
关键词
Ionic liquids; PVD coatings; Lubricant additives; Friction coefficient
资金
- FICYT (the Foundation for the promotion in Asturias of the Applied Scientific Research and Technology) [IB09-047]
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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