Gonzalez, R., Bartolomé, M, Blanco, D, Viesca, J.L., Fernandez-Gonzalez, A. and Battez, A., 2016. Effectiveness of phosphonium cation-based ionic liquids as lubricant additive. Tribology International, 98, 82 - 93.
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Two phosphonium cation-based ionic liquids (ILs) were studied as additive to a mineral oil. Solubility tests and TGA of neat samples were performed. Three concentrations of the ILs were used in the tribological tests. Base oil-ZDDP mixtures were used as comparison samples. Tribological tests were made using a reciprocating ball-on-disc configuration. Load ramp and Stribeck curve tests were also performed. The worn surface was studied by different techniques. The results showed similar and better friction reduction properties for ILs- or ZDDP-containing mixtures than the neat base oil. The [P66614][(iC8)2PO2]-containing mixtures outperformed the antiwear behavior of the other samples. XPS results showed different mechanisms of lubrication when using ILs or ZDDP. © 2016 Elsevier Ltd. All rights reserved.
|Uncontrolled Keywords:||Phosphonium cation-based ionic liquids; additive; friction; wear|
|Group:||Faculty of Science and Technology|
|Deposited By:||Unnamed user with email symplectic@symplectic|
|Deposited On:||09 Jun 2016 12:27|
|Last Modified:||09 Jun 2016 14:17|
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