Studies on Al8081-B4C Metal Matrix Composites Fabricated by Stir Casting Method
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 7
Abstract
Aluminium MMCs are preferred in the fields of aerospace, military, automotive, marine and in many other domestic applications. In the present work, an attempt has been made to develop and study the, Mechanical properties of Al-8081/B4C reinforced aluminium metal matrix composites. The composite was prepared by using Liquid Metallurgy Route (Stir Casting Technique). Liquid state has some important advantages such as better matrix particle bonding, easier control of matrix structure, simplicity, low cost of processing, nearer to net shape and wide selection of material. Al-8081 alloy was taken as the base matrix to which B4C particulates are used as reinforcements. Al8081-B4C composites were prepared by varying weight percentage of B4C i.e 0 to 6 %, in steps of two. The objective is to study the effect of B4C particulates on mechanical properties such as ultimate tensile strength, yield strength and hardness of Al8081 alloy composites. The results of this study revealed that, as the B4C content was increased, there were significant increases in the ultimate tensile strength, yield strength and hardness in the composites as compared to the base matrix
Authors and Affiliations
Kumar Lingaraj Patil , Mousil Ali , Madeva Nagaral
Keywords
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