Method of laser quenching

Details Method of laser quenching Method of laser quenching

1991-10-22

1993-01-26

Albritton, C. L.

Electric heating

Metal heating

By arc

21912178, B23K 2600

Patent

active

051824337

ABSTRACT:
A method of laser transformation hardening adapted to irradiate a laser beam in a sense of P polarization on a work piece at an angle of incidence to a surface of the work piece of 60.degree. or more which comprises steps of: forming a plurality of triangular ridges on a horizontal plane adjacent to a surface of the work piece, having a first plurality of inclined surfaces inclined at a first angle to the horizontal plane and a second plurality of inclined surfaces inclined at a second angle to the horizontal plane, the first angle being smaller than the second angle; and irradiating the laser on the work piece at the angle of incidence to the surface of the work piece of 65.degree. to 70.degree. from a direction on the side of the second plurality of inclined surface.

REFERENCES:
patent: 4304978 (1981-12-01), Saunders
patent: 4370540 (1983-01-01), Davis et al.
patent: 4507538 (1985-03-01), Brown et al.
patent: 4686349 (1987-08-01), Kawazu et al.
patent: 4739148 (1988-04-01), Kawazu et al.
patent: 5073212 (1991-12-01), Frohlich

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