Comparative Analysis of Tensile Strength for Corroded and Un-corroded Friction Stir Processed Aluminum Alloy Surface Composites

Friction stir processing is a promising technique to fabricate surface composites without surface defects. In the present work, aluminium alloy surface composites were fabricated using boron carbide (B4C) particles and were tested for tensile test under corroded and non-corroded conditions. Tensile strength of the friction stir processed specimen was found to be lesser by 35% as compared to base material. The tensile strength was found to decrease with increasing speed due to large sized grains at high rpm.