Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1988-04-11
1990-04-10
Sheehan, John P.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
21912136, 21912159, H01F 104
Patent
active
049157493
ABSTRACT:
The iron loss is reduced by irradiating plasma flame to the surface of the grain oriented silicon steel sheet, wherein the irradiation interval (l) of plasma flame is controlled so as to satisfy the following equation (1):
REFERENCES:
patent: 4772338 (1988-09-01), Fukuda et al.
Fukuda Bunjiro
Hina Eiji
Sato Keiji
Kawasaki Steel Corp.
Miller Austin R.
Sheehan John P.
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