“Influence Of The Spot Welding Current On Fracture Toughness Of Dual Phase Steel (Dp600) And Ferritic Stainless Steels (Aisi430) ”. University of Thi-Qar Journal for Engineering Sciences 8, no. 2 (August 1, 2017): 18–31. Accessed May 2, 2024. http://jeng.utq.edu.iq/index.php/main/article/view/90.