Abstract
Abstract In this research work three different composites are processed through powder metallurgy route using Aluminum Alloy (AA) 2900, 2024 and 2219 as matrix with SiC, Al2O3 and graphene as reinforcement. The objectives of this research work are to determine the influence of different weight percentage (i.e. 0 – 20 wt %) of ceramic reinforcements such as SiC, Al2O3 and graphene on the strength characteristics and tribological characteristics of the composites. The weight percentage of reinforcement materials and tribological studies at different loads are variable parameters in this experimental work. The average particle size used for both matrix and reinforcements are 10 microns and graphene with 10 nano microns. The wear surface morphology with strength correlation will be presented in the paper where the aluminium alloy possessing novel alloying element exhibits good strength properties, ductility properties and wear behavior. Al2O3 as a reinforcement exhibits good wettability and diffusion characteristics in the matrix compared to SiC and graphene which is reflecting on the mechanical properties and the wear behavior of the composites processed by microwave sintering.
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