Article,

Tribological performance of room-temperature ionic liquids as lubricant

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Tribology Letters, 13 (2): 81 (August 2001)

Abstract

The tribological performance of room-tempreature ionic liquid of alkylimidazolium tetrafluoroborate was evaluated using an Optimol SRV oscillating friction and wear tester in air and a CZM vacuum friction tester in vaccum ($1x10^(-3)$PA) using a steel/steel (SAE52100) contact. From the results, the ionic liquid exhibits excellent friction-reduction, antiwear properties, both in air and vacuum, which are superior to phosphazene (X-IP) and perflouropolyether (PFPE). During friction, the ionic liquid forms a surface protective film mainly composed of FeF2 and B2O3, which contributes to low friction and wear.

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