Laser/arc hybrid welding process for ferritic steels

Details Laser/arc hybrid welding process for ferritic steels Laser/arc hybrid welding process for ferritic steels

2007-07-10

2007-07-10

Kerns, Kevin P. (Department: 1725)

Electric heating

Metal heating

By arc

C219S146100, C219S074000, C219S121640

Reexamination Certificate

active

11039605

ABSTRACT:
A method and an apparatus for a hybrid laser beam and electric arc welding process. A laser beam, an electric arc, a shielding gas and a consumable welding wire are used to create a weld on a steel work piece by melting the welding wire. The weld contains 30 to 1000 ppm titanium by weight, at least 0.7% manganese by weight, 50 to 1000 ppm oxygen by weight, and less than 10% nickel. The welding wire is either solid welding wire or cored welding wire, and may contain, in varying percentages: titanium, manganese, iron, nickel, boron, molybdenum, carbon or chromium.

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France Search Report for PCT/FR/0450108, Sep. 7, 2004.

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