Method of laser butt welding

Details Method of laser butt welding Method of laser butt welding

1984-06-27

1986-03-18

Albritton, C. L.

Electric heating

Metal heating

By arc

219 64, 219121ED, 219121LY, B23K 2602

Patent

active

045770883

ABSTRACT:
A method of forming a continuous laser butt weld between two members is disclosed. The method comprises providing two members to be butt welded, positioning respective edges of the members in abutting contact with the two members being canted slightly with respect to one another so that the butt joint formed by the edges is open toward a first side of the member, with the edges contacting one another toward a second side of the members opposite the first side, and directing a high energy density laser beam at the butt joint from the first side of the members so that at least a portion of the laser beam extends into the open side of the butt joint to the edges, while urging the edges of the two members in the direction of the butt joint for butt welding the members.

REFERENCES:
patent: 3473000 (1969-10-01), Siekman et al.
patent: 3969604 (1976-07-01), Baardsen
patent: 4152573 (1979-05-01), Saurin et al.
patent: 4185185 (1980-01-01), Adlam
patent: 4187408 (1980-02-01), Heile
patent: 4354090 (1982-10-01), Nilsen
patent: 4471204 (1984-09-01), Takafuji et al.
"Evaluating Pulsed-Laser Welding", Conference Digest, pp. 126 and 128, Machine Design.
"Arc Augmented Laser Processing of Materials", J. Appl. Phys., Nov. 1980, vol. 51, No. 11, pp. 5636-5641, by William M. Steen.

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