Heat transfer and fluid flow and their effects on the solidification microstructure in full-penetration laser welding of aluminum sheet

Shaoning Geng^a, Ping Jiang^a^,^*(

), Xinyu Shao^a, Lingyu Guo^b, Xuesong Gao^b

Fig. 5.. Comparison of the experimental and predicted weld cross-section profile: (a) P_L = 2500 W, V = 80 mm/s; (b) P_L = 3000 W, V = 120 mm/s; (c) P_L = 3500 W, V = 180 mm/s.