Abstract
In present research AZ91D/SiC composites were developed using advanced vacuum assisted stir casting process. The tribological properties of AZ91D/SiC composites under dry, oil and nanofluids lubricating conditions were investigated. The nanofluids were prepared by adding the silicon carbide (SiC) nanoparticles to the soluble oil with different weight percentages (1 wt.%, 1.5 wt.%, 2.0 wt.%) for experimentation. The mixing of nanoparticles with base fluid improves the tribological and thermal properties of fluids as the nanoparticles possess higher thermal conductivity than base fluids. The thermal conductivity of SiC nanofluids was evaluated. The wear surfaces under different lubricating conditions (dry, oil and nanofluids) were also analyzed with FESEM. The findings of the study reveal that there was a remarkable enhancement in tribological properties (wear and coefficient of friction) when SiC nanoparticles were added to soluble oil. Furthermore, the selected samples were analyzed using energy-dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM).
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