Electric heating – Metal heating – By arc
Patent
1989-10-18
1992-09-08
Albritton, C. L.
Electric heating
Metal heating
By arc
2191212, B23K 1500
Patent
active
051460637
ABSTRACT:
In grain oriented silicon steel sheets provided with surface layer after finish annealing, microareas of the surface layer are locally pushed into at least an inside of base metal through electron beam irradiation in a direction substantially perpendicular to the rolling direction of the sheet, whereby iron loss of the sheet is considerably reduced.
REFERENCES:
patent: 4909864 (1990-03-01), Inokuti et al.
Albritton C. L.
Kawasaki Steel Corporation
Miller Austin R.
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