“EFFECT OF OPERATION CONDITIONS ON MECHANICAL PROPERTIES OF AA7020-T53 ALLOY WELDED BY FRICTION STIR WELDING”. Journal of Engineering and Sustainable Development 23, no. 2 (March 1, 2019): 42–55. Accessed May 3, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/275.