Abstract:The dissimilar butt welding of nickel 201 and AISI 316 was studied by utilising a 4 kW CO 2 laser with the help of Response Surface Methodology (RSM). The effects of laser power are 2580-3420 W; welding speed 450-1150 mm/s; focal position -1 to 0 mm; beam angle 84-96 degrees; and beam offset 0-0.2 mm on weld geometry, i.e., depth of penetration, bead width, and the Fusion Zone Area (FZ). The required weld profile responses for dissimilar butt welding were modeled mathematically. The constructed models were tes… Show more
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