Coated silicon-iron product and process therefor using calcium f

Details Coated silicon-iron product and process therefor using calcium f Coated silicon-iron product and process therefor using calcium f

1978-04-24

1979-07-10

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

204 40, 204 56R, 148 315, 148113, 428469, 428633, C25D 550, H01F 104

Patent

active

041607082

ABSTRACT:
A relatively thin coat of calcium metaborate is electrolytically-applied from a solution of calcium formate with boric acid 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: 3054732 (1962-09-01), McQuade
patent: 3379581 (1968-04-01), Kohler
patent: 3676227 (1972-07-01), Matsumoto
patent: 3700506 (1972-10-01), Tanaka
patent: 3905842 (1975-09-01), Grenoble
patent: 4030950 (1977-06-01), Shilling
patent: 4096001 (1978-06-01), Arendt

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