Retracted: “Effect of Pin and Shoulder Geometry on Stir Zone and Mechanical Properties of Friction Stir Spot-Welded Aluminum Alloy 2024-T3 Sheets” [ASME J. Eng. Mater. Technol. 2015; 137(3): pp. 031004–031004-6.; doi: 10.1115/1.4030197] - Retraction Notice | RetractBase