Author : Philip K Cherian 1
Date of Publication :25th March 2020
Abstract: AA6061 Aluminium alloy is widely used in aircraft wing manufacturing, automobile and rail industries owing to its light weight structure with high strength to weight ratio. In Friction Stir Welding (FSW) process the material while welding is not melt as compared to traditional methods viz. fusion welding, so it doesn’t damage the structure. The weld created is seamless and aesthetically good. This process is fully automated and weld created does not have any porosity. The experimental architecture was planned as per Taguchi’s L9 orthogonal array so as to extract maximum information with minimum experimental runs. The data were taken from the machine itself. The tool used for the Friction Stir Welding was spiral shaped pin type to get the best welding properties. The tensile test was carried out to get the ultimate tensile stress for each weld. Thus, this process has a wide application in the field of manufacturing. In view of this, the present work proposes an experimental investigation, to analyse the effect of welding parameters such as welding speed, tool rotation speed and force applied on welding strength and study the property of the best weld.
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