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Transition in Wear Performance for Ionic Liquid Lubricants under Increasing Load

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Abstract

The effect of ionic liquid (IL) lubrication for aluminium/steel systems is highly dependant on the applied load and the IL structure. This study illustrates that a change in anion of an IL lubricant results in different physicochemical properties that will alter its performance at a given load. As the load is increased there is a shift in lubricant performance and mechanism of the IL. Up to a load of 30 N the lowest wear coefficient was achieved by a phosphonium diphenylphosphate IL, whilst above 30 N a phosphonium bis(trifluoromethanesulfonyl)amide IL was able to form a more tenacious tribolayer that resulted in the lowest wear.

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Acknowledgments

The authors gratefully acknowledge the funding for this research from DP0986205 and Cytec Industries for their generous supply of ionic liquid.

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Authors and Affiliations

  1. Department of Materials Engineering, Monash University, Wellington Rd, Clayton, Victoria, 3800, Australia

    Anthony E. Somers, Patrick C. Howlett, J. Sun & Maria Forsyth

  2. School of Chemistry, Monash University, Wellington Rd, Clayton, Victoria, 3800, Australia

    Patrick C. Howlett, J. Sun & Douglas R. MacFarlane

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  1. Anthony E. Somers
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  2. Patrick C. Howlett
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  3. J. Sun
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  4. Douglas R. MacFarlane
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  5. Maria Forsyth
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Correspondence to Maria Forsyth.

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Somers, A.E., Howlett, P.C., Sun, J. et al. Transition in Wear Performance for Ionic Liquid Lubricants under Increasing Load. Tribol Lett 40, 279–284 (2010). https://doi.org/10.1007/s11249-010-9695-0

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  • DOI: https://doi.org/10.1007/s11249-010-9695-0

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