Abstract
Graphene and its derivatives have been comprehensively studied as an innovative material for various engineering applications. These materials have excellent mechanical properties such as high strength to weight ratio, stiffness, and modulus of elasticity. In present work, attempts were made to incorporate the graphene oxide in various compositions (0.5. 0.75 and 1.0 wt.%) to newly developed AA7075 - TiO2 reinforced aluminum metal matrix composites. Stir casting technique was used to fabricate the AA7075 - TiO2 - Graphene oxide composite. The newly prepared composite specimens were subjected to microstructure, hardness, tensile, and wear examinations. Microstructure examination reveals uniform distribution of reinforcements. Hardness, ultimate tensile strength and wear resistance of prepared composites increased with increase in reinforcement percentage in matrix.
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