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Microstructure, Mechanical properties and Dry sliding Wear behaviour of Al-Si-Mg alloy reinforced with Graphite

Amith.D.Gangadhar, M.H.Annaiah, T.G. Rajiv, Manjunatha B, Harendra kumar H.V

In this study, A356.0 alloys were reinforced with varied percentage of Graphite by liquid metallurgy route and tested for microstructure, mechanical properties. Wear tests were conducted using Pin-on-Disc apparatus at a constant sliding velocity of 1m/s and load of 30N. Microstructure revealed uniform distribution of reinforcement in the matrix resulting in improved mechanical properties and wear resistance compared to un-reinforced material. The ceramic reinforced alloys were found to have improvement in mechanical properties and wear resistance which may be attributed to the improved bonding of reinforcement in the matrix.