Investigation on Mechanical and Microstructural Analysis of Friction Stir Welded Aluminium Reinforced with Zinc Powder
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Abstract
Many researchers use a variety of methods to study Friction Stir Welding (FSW). Heat required for joining is obtained from the rotary action of the weld tool and the pieces to be joined. This results in the softening of the region near the weld tool. The quality of the weld is a matter of concern. It depends on the adjustment and control of the weld process parameters. Hence, proper knowledge is essential and required to monitor and effectively tune the weld parameters for a sound weld. In this work, investigations are done to explore the microstructural and mechanical properties of friction stir-welded Aluminium plates reinforced with Zinc. Pressure was applied to the Aluminium 7020 pieces through a CNC machine to create a friction stir effect. The mechanical test result justifies the higher value of tensile strength of 90.370 N/mm² and the hardness value of 40HRV. The quality of the weld is characterised by mechanical and microstructural properties. Observations show that this technique can be preferably used in shipbuilding and aerospace applications.
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