Mechanical Properties of Al-Sic Composite Material By Melting Process

Abstract

To overcome the problems faced in conventional materials like high weight, corrosion, high cost etc., lots of studies are going on to replace them with alloys/composites. And also to reduce the cost of composites. Aluminium materials found to be the best alternative with its characteristics like high strength to weight ratio and low density. As development of lightweight materials has provided numerous possibilities for weight reduction. In this project we are casting aluminium based (Al 6061) composites with silicon carbide as reinforcement. Among the various methods, stir casting method is chosen as it is simple, less expensive and used for mass production. In this stir casting process, the reinforcing phases are distributed into molten aluminium by manual stirring. And then the casted samples are machined to required dimensions and different material testings had been conducted to obtain the material properties and characteristics. . In this Experiment have been conducted by varying weight fraction of SiC (5%, 10%, 15%, 20%, 25%, and 30%), while keeping all other parameters constant. The results indicated that the method used in this is successful to obtain uniform dispersion of reinforcement in the metal matrix. This composite material has improved mechanical properties like strength, stiffness, abrasion and impact resistant, and is not easily corroded. This material will have improved applications in aerospace, automotive industry etc.