Abstract
In the present method the effect of welding speed, axial force, tool rotational speed and shoulder penetration on the mechanical properties of Aluminium alloy 6061 butt joint produced by Friction Stir Welding (FSW) is analyzed. The mechanical behavior properties like Yield Strength, Tensile Strength and % of Elongation has been tested using 5 mm thick plate. The tool used for conducting the experiment was High Speed Steel (HSS). Tensile Strength, Yield Strength and Percentage of Elongation of FSW Al alloy 6061 has been evaluated under different processing condition using Taguchi’s design. The optimum results had been obtained using main effects plot using S/N ratio values. Tool rotation speed has been found dominant factor for Tensile Strength followed by feed and shoulder penetration. Shoulder diameter shows the minimal effect on Tensile Strength compared to other parameters.
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