Composition for deboronizing grain-oriented silicon steel

Details Composition for deboronizing grain-oriented silicon steel Composition for deboronizing grain-oriented silicon steel

1988-07-28

1991-04-30

Andrews, Melvyn J.

Metal treatment

Compositions

Heat treating

148 28, C21D 170

Patent

active

050115480

ABSTRACT:
For making a ductile boron-containing grain-oriented silicon steel, there is practiced, at a late stage in the making of the product either during the final texture anneal or a subsequent anneal, a high-temperature anneal in a reducing atmosphere with the use of a separating-agent coating, particularly magnesium oxide, which contains an effective amount of a compound of molybdenum and/or tungsten.

REFERENCES:
patent: 3151000 (1964-09-01), Schmidt et al.
patent: 3785879 (1974-01-01), Lee et al.
patent: 3941621 (1976-03-01), Lee et al.

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