Abstract
In recent trends, metal matrix composites (MMC) have attracted the newline potential interest in engineering materials due to their superior mechanical newline properties than the conventional materials. The way of selecting the particular newline properties of the constituent materials is to meet the specific demand. In general, MMCs possess newline increased strength, higher service temperature, decreased part weight and improved newline wear resistance, when compare with materials of monolithic. Aluminium and its alloys are the most widely used AMMC. Matrix reinforced with ceramic particles such as oxides and non-oxides (carbides, nitrides, borides) offers a huge variety of mechanical properties depending on the aluminium and its alloy chemical composition. Among the various ceramics, boron carbide (B4C) possesses excellent physical and newline mechanical properties like high melting point and hardness, good impact and wear resistance. In the present work, a combination of Al6061 + B4C metal matrix composites is fabricated with different proportions (1.5, 3, 4.5%) by stir casting technique. Their structural analysis was done by using SEM analysis; wear resistance was found out by using pin-on-disc method; and surface roughness was found out.
Published Version
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