“EFFECT OF OPERATION CONDITIONS ON MECHANICAL PROPERTIES OF AA7020-T53 ALLOY WELDED BY FRICTION STIR WELDING” (2019) Journal of Engineering and Sustainable Development, 23(2), pp. 42–55. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/275 (Accessed: 3 May 2024).