Friction stir welding (FSW) is a technique in which the work pieces were joined by means of frictional heating and plastic deformation typically at temperatures below the melting temperature of the materials to be joined. The scope of this investigation is to evaluate the effect of joining parameters on the mechanical properties of dissimilar aluminium alloys (AA6063 and AA8011 aluminium alloy) joints produced using friction stir welding. Friction stir weld was performed on the dissimilar aluminium alloys using different rotational speeds and traverse speeds and the influence of these parameters on the mechanical performance of the weld has been investigated in terms of hardness and tensile testing.

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