words, K., Ismael, Q., energy, impact, stir welding, F., strength aluminum alloys, high and Jalal Ali, D. 2013. Effect of Friction Stir Welding Parameters on the Impact Energy of the Weldments of Poorly Weldable Aluminum Alloys by Fusion Welding. Al-Rafidain Engineering Journal (AREJ). 21, 6 (Dec. 2013), 1–12. DOI:https://doi.org/10.33899/rengj.2013.82148.