Electric heating – Metal heating – By arc
Patent
1981-05-28
1983-03-22
Albritton, C. L.
Electric heating
Metal heating
By arc
219121L, 219121LD, 219121FS, 219121LC, B23K 2700
Patent
active
043777350
ABSTRACT:
A steel material is treated by laser beams, in such a manner that the laser beams and a gas jet are concurrently projected to a working point of the steel material to produce a plasma around the working point and another gas jet is ejected to the working point at an oblique angle to the projecting direction of the laser beams so as to press the plasma against the steel material surface, whereby the form of the plasma can be controlled by changing the oblique angle of the another gas jet ejection.
REFERENCES:
patent: 4127761 (1978-11-01), Pauley et al.
patent: 4167662 (1979-09-01), Steen
patent: 4220842 (1980-09-01), Sturmer et al.
Minamida Katsuhiro
Yamaguchi Shigehiro
Albritton C. L.
Nippon Steel Corporation
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