Abstract
The present study aims at developing a theoretical model for sliding wear analysis of the cobalt metal powder reinforced Aluminum (Al7075) alloy composites and perform an experimental run for validation of the theoretical model. The alloy composites are fabricated in high temperature vacuum centrifugal casting set-up by varying the cobalt metal powder to analyze the effect of different weight fraction (0, 0.5, 1.5, and 2.0 wt.-% cobalt metal powder) of cobalt metal powder on wear and coefficient of friction analysis under different operating conditions(such as Normal load (20N-80N), Sliding speed (0.25m/s-1.25m/s) and Sliding distance (250 m-1250 m).Finally, the specificwear rate of the alloy composites is studied experimentally to get the wear rate and coefficient of friction of the alloy composites. At the end, the worn surface morphology of the alloy composites is studied by using scanning electron microscopic to understand the type of wear failure in different operating medium.
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