Hamd EK, Alwan AS, Irthiea IK. Study the Effect of Welding Heat Input on the Microstructure, Hardness, and Impact Toughness of AISI 1015 Steel. alkej. 2018;14(1):118-127. Accessed July 11, 2026. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/120