Influence Of The Spot Welding Current On Fracture Toughness Of Dual Phase Steel (Dp600) And Ferritic Stainless Steels (Aisi430) . UTJES [Internet]. 2017 Aug. 1 [cited 2024 May 2];8(2):18-31. Available from: http://jeng.utq.edu.iq/index.php/main/article/view/90