“EFFECT OF TOOL SHOULDER DIAMETER ON THE MECHANICAL PROPERTIES OF 1200 ALUMINUM FRICTION STIR SPOT WELDING”. Journal of Engineering 17, no. 06 (December 1, 2011): 1517–1523. Accessed November 27, 2024. https://joe.uobaghdad.edu.iq/index.php/main/article/view/3014.