Abstract
In this paper, experiments were conducted to study the tribological behavior of synthetic oil containing nanodiamond (ND) with molybdenum disulphide (MoS2) and tungsten disulphide (WS2) nanoparticles. The experiments were performed in boundary lubrication regime for steel/steel contacts. A ball on disc configuration was used to obtain the frictional characteristics of the lubricating oils at a constant velocity of 0.58 m/s. Scanning electron microscopy and energy dispersive spectroscopy were carried out to evaluate the wear behavior of the worn out disc samples. The results obtained from the investigation exhibited an improvement in both wear and friction coefficient. On addition of 0.2% ND in the oil containing MoS2 and WS2 nanoparticles, the coefficient of friction (COF) and wear volume decreased around two times in comparison to the PAO oil. The enhancement in overall lubrication behavior is mainly due to the synergism between the MoS2/ND and WS2/ND nanoparticles.
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Raina, A., Anand, A. Effect of nanodiamond on friction and wear behavior of metal dichalcogenides in synthetic oil. Appl Nanosci 8, 581–591 (2018). https://doi.org/10.1007/s13204-018-0695-y
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DOI: https://doi.org/10.1007/s13204-018-0695-y