Wear and Microstructure Characteristics of Friction Stir Processed Al6063/B4C+SiO2 Composites

Wear and Microstructure Characteristics of Friction Stir Processed Al6063/B4C+SiO2 Composites

Over traditional processing technologies, friction stir processing (FSP) is an efficient solid state surface modification technique. FSP is a reasonably appealing technique that uses a non-consumable rotating tool with a square pin and shoulder. In this study, the two reinforcement particles of B4C and SiO2 were compacted in a square groove of 1.9mm width and 3mm depth on Al 6063 alloy with different weight ratios. Friction stir processing with a non-consumable tool is used to create Al 6063 surface hybrid composites. The tool is made of high-speed steel hardened to 51HRC and consists of a square probe that rotates at 1200 rpm, 40mm/min, and 8 kN, respectively. The wear resistance of reinforced particles in Al matrix material was assessed using a pin-on-disc tribometer at various loads, and the homogeneity of reinforced particles in Al matrix material was evaluated using a scanning electron microscope (SEM). The results showed that the reinforced particle distribution was uniform, and that multipass FSP achieved grain size refinement of an average size of 8 m. The wear rate varies depending on the applied load and the B4C/SiO2 weight ratio.

Author (s) Details

Mr. D. Dinesh
Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam, India.

Dr. A. Megalingam
Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam, India.

Dr. G. Rajamurugan
School of Mechanical Engineering, Vellore Institute of Technology, Vellore, India.

Mr. M. Arundeep
Debre Markos University, Debre Markos, Ethiopia.

Mr. A. Tajdeen
Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam, India.

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