Boron-containing electrical steel having a calcium borate coatin

Details Boron-containing electrical steel having a calcium borate coatin Boron-containing electrical steel having a calcium borate coatin

1977-03-07

1978-06-20

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 315, 204 40, 428471, 428633, H01F 104

Patent

active

040960013

ABSTRACT:
A relatively thin coat of calcium metaborate is electrolytically-applied directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH).sub.2 is electrolytically-deposited on the calcium metaborate coating to provide a duplex coating about 0.2 mil thick.

REFERENCES:
patent: 2354123 (1944-07-01), Horstman et al.
patent: 3054732 (1962-09-01), McQuade
patent: 3379581 (1968-04-01), Kohler et al.
patent: 3676227 (1972-07-01), Matsumoto et al.
patent: 3700506 (1972-10-01), Tanaka et al.
patent: 3905842 (1975-09-01), Grenoble
patent: 4030950 (1977-06-01), Shilling et al.

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