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Short Communication | Open Access

Tribological performance of tributylmethylammonium bis(trifluoromethylsulfonyl)amide as neat lubricant and as an additive in a polar oil

R. GONZÁLEZ1,4( ), D. RAMOS2, D. BLANCO2, A. FERNÁNDEZ-GONZÁLEZ3, J. L. VIESCA2,4, M. HADFIELD4, A. HERNÁNDEZ BATTEZ2,4
Department of Marine Science and Technology, University of Oviedo, Asturias 33203, Spain
Department of Construction and Manufacturing Engineering, University of Oviedo, Asturias 33203, Spain
Department of Physical and Analytical Chemistry, University of Oviedo, Asturias 33006, Spain
Department of Design and Engineering, Bournemouth University, Poole BH12 5BB, UK
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Abstract

The ionic liquid (IL) tributylmethylammonium bis(trifluoromethylsulfonyl)amide ([N4441][NTf2]) was used as neat lubricant and as an additive (1.5 wt%) in a polar oil to study its friction and wear reducing properties. Tribological tests were completed for 90 minutes at room temperature and 100 ℃ in a reciprocating configuration at loads of 30 and 70 N, 10 Hz-frequency, and 4 mm stroke length. Wear volume was measured by confocal microscopy and the surface-IL interaction determined by XPS. The main findings were that neat IL showed the best tribological behavior; the IL-containing mixture behaved similar to the base oil regarding friction, however outperformed the antiwear behavior of the base oil under higher temperature; surface-IL chemical interaction was found mainly at 100 ℃.

Keywords

ionic liquidadditivefrictionwearpolar oil

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Friction
Volume 7 Issue 3,
June 2019
Pages 282-288
DOI: 10.1007/s40544-018-0231-9

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GONZÁLEZ R, RAMOS D, BLANCO D, et al. Tribological performance of tributylmethylammonium bis(trifluoromethylsulfonyl)amide as neat lubricant and as an additive in a polar oil. Friction, 2019, 7(3): 282-288. https://doi.org/10.1007/s40544-018-0231-9

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Received: 29 December 2017
Revised: 07 May 2018
Accepted: 14 July 2018
Published: 06 November 2018
© The author(s) 2018

This article is published with open access at Springerlink.com

Open Access: The articles published in this journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http:// creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.