Laser/ultrasonic welding technique

Details Laser/ultrasonic welding technique Laser/ultrasonic welding technique

1979-07-27

1982-05-18

Rubinson, Gene Z.

Electric heating

Metal heating

By arc

219121LA, 219121LC, 228110, B23K 2600

Patent

active

043306993

ABSTRACT:
A non-contact laser/ultrasonic welding technique for strengthening the con laser weld by the addition of ultrasonic cavitation and cleaning. A high powered laser applies heat to a weld joint to produce a melt. The output of the laser, or a second laser, is amplitude modulated to generate acoustic waves in the melt. The improved interdiffusion of the melt and the homogeneity of the weld joint result in an improved quality laser weld.

REFERENCES:
patent: 3297876 (1967-01-01), De Maria
patent: 3477119 (1969-11-01), Smith
patent: 3503804 (1970-03-01), Schneider
patent: 3588440 (1971-06-01), Morse
patent: 3931921 (1976-01-01), Antonevich
patent: 4015221 (1977-03-01), Dalton
patent: 4023005 (1977-05-01), Bolin
patent: 4152575 (1979-05-01), Banas

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