Abstract
In present days, investigation in welding strength and its surface on dissimilar joint of material have been increased. This concept is used to examine the friction stir welding (FSW) surface and strength of a copper aluminium 6061 plate. The composite of alloying elements such as Niobium Titanium Chromium (Nb-Ti-Cr) tool tip is employed to augment the welding strength and its surface. The welding strength is optimized with different input constraints of FSW by Taguchi method. The parametric effect and their contribution along with welding strength was validated through variance analysis. The welding surface texture was analyzed through atomic force microscopy. The optimal welding strength was attained at 1200 rpm of tool speed, 3 mm/sec of traverse speed and 4 mm/min of feed. Tool rotational speed was developed the highest effect (92.41%) on welding strength.
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