Al-Sallami, W, Parsaeian, P orcid.org/0000-0001-8393-3540, Dorgham, A et al. (1 more author) (2019) Reactivity of oil‐soluble IL with silicon surface at elevated temperature. Lubrication Science, 31 (4). pp. 151-162. ISSN 0954-0075
Abstract
The reactivity of an oil‐miscible ionic liquid, phosphonium phosphate (PP), and the common anti‐wear additive zinc dialkyl dithio phosphate (ZDDP) with a solid surface at elevated temperature in the absence of any tribological motion is investigated. Understanding the thermal film build up, composition, and relative thickness will help in the understanding of lubrication mechanisms once tribological effects are introduced. Attenuated total reflection–Fourier transform infrared (ATR‐FTIR), scanning electron microscopy–energy dispersive spectroscopy (SEM‐EDS), and X‐ray photoelectron spectroscopy (XPS) are employed to characterise silicon surfaces before and after the experiments in terms of surface chemistry and surface morphology. The results show that both additives react with the silicon surface to produce thermal films. However, ZDDP forms a thicker film. PP reacts with the silicon and forms a thermal film, but the reaction rate is self‐limited such that an increase of time to 24 hours does not significantly increase the film thickness.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2019 John Wiley & Sons, Ltd. This is the peer reviewed version of the following article: Al‐Sallami, W, Parsaeian, P, Dorgham, A, Neville, A. Reactivity of oil‐soluble IL with silicon surface at elevated temperature. Lubrication Science. 2019; 31: 151– 162, which has been published in final form at https://doi.org/10.1002/ls.1456. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | additives; ATR‐FTIR; SEM‐EDS; soluble IL; tribology; XPS and formation of thermal film; ZDDP |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Mechanical Engineering (Leeds) > Institute of Functional Surfaces (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 24 May 2019 14:30 |
Last Modified: | 14 Apr 2020 00:38 |
Status: | Published |
Publisher: | Wiley |
Identification Number: | 10.1002/ls.1456 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:146493 |