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In this study, a 3 mm thickness of AlSi10Mg Casted alloy plates was used in the friction stir welding process. The experimentations were conducted Using design of experiment to shorten the number of experiments and to get optimal friction stir welding parameters by utilizing Gray relational analysis based on the ultimate tensile and hardness test results. Orthogonal array of L9 (33) was used based on three main parameters and three stages for each parameter, where tool velocity of three stages are 800, 900 and 1000 Rpm, tool feed of 30,40,50 mm/min, plus axial load of 300,400 and 500 Kg. Using Minitab 17 software. Gray Relational analysis is used to explore the optimal set of process variables and their effects on the ultimate tensile strength and hardness of weld plates. The plates are effectively welded, tensile test and hardness is measured at room temperature. The end result shows that the tool velocity 1000 rpm, feed 50 mm / min, then axial load of 400 kg are dominant process parameters to join AlSi10Mg Casted alloy plates.

global journal of engineering and technology advances

Multi objective prediction and optimization of control parameters of Friction stir welding on Casted AlSi10Mg plates with Taguchi – Gray Relational Analysis