Process for producing grain-oriented electrical steel sheet havi

Details Process for producing grain-oriented electrical steel sheet havi Process for producing grain-oriented electrical steel sheet havi

1984-11-02

1985-09-24

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 27, 148 28, H01F 104

Patent

active

045431345

ABSTRACT:
The present invention provides an annealing separator comprising from 0.05 to 2.0 parts by weight of antimony sulfate based on 100 parts by weight of magnesium oxide, and at least one chloride selected from the group consisting of Sb, Sr, Ti, and Zr chlorides in a chlorine amount of from 5 to 20% by weight based on 100% of the chloride and antimony sulfate, and occasionally comprises Ti oxide in an amount of from 0.5 to 10 parts.
The annealing separator is applied on the decarburization annealed strip, and improves both the magnetic properties and properties of glass film, in the production of a grain-oriented electrical steel sheet.

REFERENCES:
patent: 3841925 (1974-10-01), Steger
patent: 4168189 (1979-09-01), Haselkorn
patent: 4242155 (1980-12-01), Morito et al.

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