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The present study deals with the fabrication of AA6061/boron carbide metal matrix composite and investigation on its tribological behaviour at room and elevated temperature. The composite incorporated with 0%, 1%, 2%, 3% and 4% of boron carbide was fabricated through liquid metallurgy route. The microstructure of this composite was examined and uniform distribution of reinforced particles in the matrix was observed. Wear experiments were conducted on Pin-on-disc tester at room and elevated temperature using process parameters such as applied load, sliding velocity, sliding distance, temperature; each varied for different levels. Minimum wear rate was observed for 4% B4C. Worn surface were studied using Scanning Electron Microscope to understand the wear mechanism exhibited by composites prepared. It was observed that, severe delamination occurred as applied load increases. This tribological analysis can be utilized to replace the conventional aerospace, automotive materials with other aluminium metal matrix composites having better wear characteristics.

Tribological Behaviour of Aa6061 Alloy Reinforced with Boron Carbide Particles at Room and Elevated Temperature