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Dry sliding wear behavior of heat treated A2014 reinforced with Graphite

Abstract

A2014 alloys were reinforced with varied percentage of Graphite by gravity casting using permanent moulds. They were heat treated (T6) and tested for microstructure, mechanical properties. The Pin-on-Disc apparatus was used to study Wear behaviour at a constant sliding velocity of 1m/s and pressure of 0.35MPa. The study of Microstructure revealed uniform distribution of Graphite in the matrix which in turn resulted in improved mechanical properties and wear resistance compared to un-reinforced material. Heat treatment resulted in further improvement in mechanical properties and wear resistance. The improvement in mechanical properties and wear resistance may be attributed to the uniform distribution of Graphite and its bonding in the matrix.

Manjunatha B, Karthik Raj K.V, M.H. Annaiah, Davis P Skariah, Harendra Kumar H.V5

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