Interactive laser welding at elevated temperatures of superalloy

Details Interactive laser welding at elevated temperatures of superalloy Interactive laser welding at elevated temperatures of superalloy

1993-09-03

1996-09-10

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912164, 21912183, B23K 2608

Patent

active

055548377

ABSTRACT:
A process and apparatus is provided for laser welding a nickel and/or cobalt based superalloy article comprising: preheating the entire weld area and adjacent region to a ductile temperature with an induction heat coil and maintaining such temperature during welding and solidification of the weld; and welding the preheated article utilizing a laser with a powder alloy feed with a control means controlling the laser, power feed and motion system on which the article is fixtured, wherein the control means includes a vision system which digitizes the weld area providing a path for the laser welding to follow.

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