Abstract
Friction Stir Welding is a solid-state joining process of similar or dissimilar materials. The dissimilar joining of aluminum alloy Al6061 and Al5083 with the plates of 6 mm thickness was carried out by friction stir welding. The objective of present research is to enhance the mechanical properties by changing the advancing side of material during welding and optimizing the various process parameters such as tool rotation speed and traverse feed for higher weld strength. The influence of welding process parameters on strength of weld joint has been evaluated by tensile test. The tool rotational speeds were taken between 500 to 1000 rpm and tool traverse speeds were taken between 40 to 125 mm/min. The maximum tensile strength yielded 98.90 MPa when the Al6061 keep in an advancing side and 32 MPa when Al5083 keep in advancing side during weld joint at 1000 rpm and 50 mm/min. It was observed that the advancing sides of materials also play a key role for joint strength while keeping remaining process parameters constant during welding.
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