Title: Method of producing silicon-iron sheet material with boron addition, and product

Abstract: By adding a relatively small amount of boron to the electrolytically-deposited Mg(OH).sub.2 coating on silicon-iron magnetic sheet containing a small but critical amount of boron, a substantial improvement in permeability of the finally-annealed product sheet material can be obtained.

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Inventors: Maucione, Carl M. (Cheshire, MA, US)

Application Number: 781119
Filing Date: 1977-03-25
Publication_date: 1980-01-29
Assignee: General Electric Company (Schenectady, NY)
Primary Class(es): 148/113 148/308
Other Classes:
US Patent Ref:

3054732	Sep, 1962	McQuade	204/37.
3222228	Dec, 1965	Stanley et al.	148/16.
3583887	Jun, 1971	Steger et al.	148/113.
3676227	Jul, 1972	Matsumoto et al.	148/111.
3905842	Sep, 1975	Grenoble	148/112.
3905843	Sep, 1975	Fiedler	148/111.
3945862	Mar, 1976	Lee et al.	148/113.
3957546	May, 1976	Fiedler	148/111.
4097343	Jun, 1978	Arendt et al.	204/100.
4116730	Sep, 1978	Arendt et al.	148/113.

Other Refs:
Primary Examiner: Rutledge, L. Dewayne
Assistant Examiner: Sheehan, John P.
Attorney: MaLossi; Leo I., Cohen; Joseph T.