Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints. Tikrit j. eng. sci. [Internet]. 2018 Dec. 1 [cited 2026 Sep. 10];25(4):51-6. Available from: https://www.tj-es.com/ojs/index.php/tjes/article/view/99