Abstract
ABSTRACT Now-a-days many industries are interested in aluminium composites due to their unique properties and applicability. The inclusion of hard nanoparticles enhances both the mechanical and metallurgical properties of aluminium composites. In this work, the effect of boron carbide (B4C) and graphene nanoparticles reinforcement on aluminium 6061-T6 was studied. Composites were fabricated by stir casting process and characterised in terms of mechanical and metallurgical properties. The machining characteristics of the composite evaluated using electrical discharge machining process. The experimental result indicated that the reinforcement of B4C and graphene nanoparticles increased the hardness, tensile strength, toughness and wear resistance than Al-B4C and Al-graphene composites. The SEM images showed that B4C-graphene particles are uniformly distributed. The electric discharge machining results indicated that the peak current and pulse-on-time are the most significant parameters on material removal rate, tool wear rate and surface roughness. The details of experimentation and relative discussion are presented in this paper.
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