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Article focuses the effect of the processing parameters on tensile behaviour of friction stir welded copper joints. Copper and aluminium are considered as nonweldable with the conventional techniques but this non-conventional method of joining, successfully welds these non-ferrous metals. Effect of parameters on tensile strength of copper weld joint was studied by using full factorial design matrix by considering parameters like rotational speed (1000,2500,4000,5000 rpm) and tool travel speed (10,30,50,60 mm/min) also keeping tool material and tool design fixed throughout the experimentation. Using full factorial total 16 numbers of experiments were performed and relative tensile strengths were measured. The results showed that increasing rotational speed helps to increases the tensile strength with in a specific range while increasing feed rate lowered the tensile strength.

Effect of Process Parameters on Tensile Strength of Friction Stir Welded Joint of Pure Copper