Abstract
In this study, dissimilar friction stir welding of AA2014 and AA7075 has been carried out and the effect of tool tilt angle, welding speed and rotational speed on tensile properties have been studied. In the first phase, the experiment was conducted to optimize the tool tilt angle for FSW. In the second phase of the experiment, analysis of the effect of rotational speed and welding speed on the tensile strength of welded joints have been carried out by one factor at a time approach by fixing one parameter and varying the other parameter at a time, keeping tilt angle constant at its optimal value obtained in the first phase of the experiment. Tool tilt was found to have more dominating effect on the weld properties than rotary speed and welding speed.
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