4.2 Transient Coupling Dynamics of Keyholes and Weld Pool
113
(a) 0.46ms
(b) 2.25ms
(c) 9.94ms
(d) 10.85ms
(e) 13.07ms
(f) 16.85ms
(g) 17.06ms
(h) 35.72ms
Fig. 4.6 Evolution of the temperature field on the surface at laser power of 2.5 kW and welding
speed of 2 m/min