Amir Shaheed Alkhafaji (2021) “The Effect of Tool Geometry of Friction Stir Spot Welding on the Mechanical Properties and Microstructure of AA6061-T6 Aluminum Alloy”, Design Engineering, 2021(3), pp. 765 - 778. Available at: http://www.thedesignengineering.com/index.php/DE/article/view/1363 (Accessed: 18May2024).