Process for joining using a laser beam

Details Process for joining using a laser beam Process for joining using a laser beam

2007-07-19

2010-11-30

Evans, Geoffrey S (Department: 3742)

Electric heating

Metal heating

By arc

C219S121840, C219S121850

Reexamination Certificate

active

07842900

ABSTRACT:
A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool while substantially simultaneously providing a substantially laminar flow of a substantially inert process shielding gas to the location of the melt pool wherein the process shielding gas flows substantially coaxially around the filler wire; and solidifying the melt pool thereby forming a joint at the joining.

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