Universities of Leeds, Sheffield and York （利兹大学,谢菲尔德和纽约）.pdf

promoting access to White Rose research papers Universities of Leeds, Sheffield and York http://eprints.whiterose.ac.uk/ This is an author produced version of a paper published in Applied Surface Science White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/id/eprint/77963 Paper: Morina, A, Zhao, H and Mosselmans, JFW (2014) In-situ reflection-XANES study of ZDDP and MoDTC lubricant films formed on steel and diamond like carbon (DLC) surfaces. Applied Surface Science, 297. 167 - 175. ISSN 0169-4332 /10.1016/j.apsusc.2014.01.116 White Rose Research Online eprints@whiterose.ac.uk In-Situ Reflection-XANES study of ZDDP and MoDTC lubricant films formed on Steel and Diamond Like Carbon (DLC) surfaces Ardian Morinaa,*, Hongyuan Zhaoa and Fred Mosselmansb aInstitute of Engineering Thermofluids, Surfaces and Interfaces, School of Mechanical Engineering, University of Leeds bDiamond Light Source Ltd., Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK * corresponding author: A.Morina@leeds.ac.uk Abstract Chemical characterisation of boundary lubricated interfaces is essential for developing mechanistic models that describe lubricant additive interactions with the surface and their effect on tribological performance. In this study the potential for using the synchrotron-based reflection mode X-ray absorption spectroscopy (XAS) technique for in-situ chemical characterisation of lubricant films has been studied. Thermal films formed from Zinc Dialkyl Dithio Phosphate (ZDDP