Using the line source model, how fast could 3mm stainless steel be welded with a 2 kW laser capable of giving a 1mm wide keyhole weld? The melting point of stainless steel is 1,527 ○C, the thermal diffusivity is 0.49×10−5 m2 s−1 and the thermal conductivity is 100Wm−1 K−1. Show your solution and write a Matlab script to solve the problem.
Sample Solution