Journal
TRIBOLOGY INTERNATIONAL
Volume 72, Issue -, Pages 42-50Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2013.12.007
Keywords
Ionic liquids; Lubrication; Wear; Friction coefficient
Categories
Funding
- FICYT (the Foundation for the promotion in Asturias of the Applied Scientific Research and Technology)
- Spanish Ministry of Science and Innovation
- WINDTRIB [DPI2010-18166]
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This paper studies the use of 3 ionic liquids ([(NEMM)MOE][FAP], [BMP][FAP] and [BMP][NTf2]) as neat lubricant within steel steel contact conditions. Tribological tests (at 40 and 100 degrees C) were conducted in a HFRR tribometer and hence a complementary study was developed using a MTM tribometer. The wear surface on the discs was measured after the HFRR tests by confocal microscopy and also analyzed by SEM and XPS. The [BMP][NTf2] showed the lowest friction coefficient in the MTM and HFRR tests at 40 degrees C but at 100 degrees C its tribological behavior worsened due to its lowest viscosity. Similar results were found for wear behavior. Both antifriction and antiwear results were related to the tribofilms formation from the ECR and XPS measurements. (C) 2013 Elsevier Ltd. All rights reserved.
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