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Abstract
Friction stir processing (FSP) is a simple and effective technique to fabricate aluminium metal matrix composites with uniform particle distribution. In this investigation, AA6063/SiCp bulk composites were fabricated using FSP. Experiments were conducted to study the effect of the feed rate on particle dispersement, hardness and tensile properties. The fabricated composites were observed to have increased micro-hardness and decreased yield strength. Optical and scanning electron microscopy revealed that particles in the matrix are uniformly and widely dispersed, and this contributes to the uniform strength of the composite.
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Notes on contributors
M Puviyarasan
M. Puviyarasan is a PhD research scholar in the Department of Mechanical Engineering, College of Engineering Guindy, Anna University, Chennai, India. His areas of interests are friction stir processing, composite fabrication and finite element analysis.
V S Senthil Kumar
Dr V. S. Senthil Kumar is an associate professor in the Department of Mechanical Engineering, College of Engineering Guindy, Anna University, Chennai, India. He has more than 14 years of teaching and research experience, and is the author of more than 55 peer-reviewed scientific publications, 50 conference papers and one patent. His current research interests include friction stir welding and processing, superplastic forming, incremental forming, hydro forming, twisted extrusion, machining of non-ferrous metals and composites, and finite element analysis.