Article ID Journal Published Year Pages File Type
7001387 Tribology International 2018 38 Pages PDF
Abstract
This paper reports about comparative performance evaluation of oils with and without graphite particles (nanometre, sub-micrometre and micrometre), in order to understand the influence of size of particles on anti-wear (AW) and extreme pressure (EP) properties as well as the physical properties of oils. The results indicated that the nano-particles (NPs) exhibited highest improvement as AWA (50%) and EPA (80%). The scanning electron microscopy on worn surfaces, however, proved to be least effective to correlate the wear performance with the surface topography and size of particles in oil. AFM, proved to be very effective in correlating the tribo-performance with sizes of particles and understand the wear mechanisms. Surface characterization was also carried out by XPS to understand the film compositions.
Related Topics
Physical Sciences and Engineering Chemical Engineering Colloid and Surface Chemistry
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