“Study the Effect of Filler in Flash Welding of Copper Wire on Microhardness and Microstructure”. University of Thi-Qar Journal for Engineering Sciences 4, no. 2 (August 1, 2013): Ar 1–9. Accessed July 22, 2024. https://jeng.utq.edu.iq/index.php/main/article/view/208.