Functionalized Ionic Liquids as Lubricants for Steel-Steel Contact

Abstract:

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A new series of functionalized ionic liquids containing ester-group were synthesized through a typical two-step way. The physicochemical properties of the functionalized ionic liquids were studied and the tribological properties of them as lubricants for steel-steel contact were evaluated on an SRV friction and wear tester and compared with the perfluoroalkylpolyether (PFPE), a low-volatility and fluorine containing lubricant, and a conventional ionic liquid, 1-butyl-3-methy imidazolium tetrafluoroborate (LB104), which is nonfunctionalized. Results showed that all the ionic liquids studied in this paper have better lubricities than PFPE as lubricants for steel-steel friction pairs. Functionalized ionic liquids show worse friction reducing abilities at relatively lower loads, which could be ascribed to their higher viscosities, but they always exhibit better anti-wear abilities than LB104. The possible friction mechanisms were discussed.

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Periodical:

Edited by:

Honghua Tan

Pages:

630-634

DOI:

10.4028/www.scientific.net/AMM.138-139.630

Citation:

L. Y. Zhu et al., "Functionalized Ionic Liquids as Lubricants for Steel-Steel Contact", Applied Mechanics and Materials, Vols. 138-139, pp. 630-634, 2012

Online since:

November 2011

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Price:

$35.00

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