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ThesisItem Open Access Comparative investigation of effect of surface modification techniques on Aluminium based metal matrix composites(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2021-11) Pathak, Ambuj; Singh, V.K.In today's world of engineering materials, every material should have a set of characteristics. It is the driving force behind the creation of several alloys, polymers, composites, and other materials. Metal matrix composites have a wide range of characteristics. The characteristics of metal matrix composites are sometimes determined by the matrix, which is a metallic element. Metal matrix composites' characteristics are influenced by the reinforcement, which can be metallic or non-metallic. In this work, we examine the influence of reinforcement on different characteristics of metal matrix composites such as self-lubrication. In this investigation, there are two focused areas. Effect of different reinforcement and Laser grooving on Mechanical and Tribological Characterization of MMCs. Comparative Investigation of the influence of reinforcement material and laser micro grooving on the morphological properties of MMCs. Mechanical characterization was performed with help of density, porosity, microhardness, macro hardness, yield strength, ultimate tensile strength, % elongation and young modulus. Tribological characterization was performed with the help of pin on disc test and dry sand abrasion test. Influence of reinforcement and laser micro grooving on the morphological properties and microstructure of MMCs analyzed with the help of SEM. In the case of SiC, physical, mechanical and wear characteristics are optimum at 21 wt. % of SiC. For MoS2 reinforcement, the 5.5 wt. % of MoS2 all characteristics found optimized.
