Y. Kambouz, M. Benguediab, and B. Bouchouicha, “Numerical Analysis of Crack Progress in Different Areas of a Friction Stir Welded Bead for an 5251 H14 Aluminum Alloy Specimen”, Eng. Technol. Appl. Sci. Res., vol. 4, no. 1, pp. 581–586, Feb. 2014.