An Optimization and Investigation of Mechanical Properties and Microstructures on Friction Stir Welding of Aluminium Alloys

Now a day for industrial applications and automotive industries, many are utilizing advanced welding technique is Friction stir welding process, offering more advantages are quality of the weld is good, consumption power is low so this process is taken for research work. This paper investigates mechanical properties of input parameters of welding speed, rotational speed, tilt angle, axial force and output parameters are tensile strength, micro hardnesson dissimilar welding of aluminium alloys using welding techniques on friction stir welding process based on cost taguchi L9 is used for carrying research and experiments trailing on parent materials on different ranges of input responses welding speed 60 mm/min., rotational speed 1350 rpm, tilt angle 30, axial force 11 KN with output responses tensile strength 183 Mpa and micro hardness 127 HV are measured with ASTM standards on specimens and analysis are carried out by using grey relational analysis, GRG method and microstructures development done to improve the empirical relations of process are automated and optimized.