Separating agent composition and method using same

Details Separating agent composition and method using same Separating agent composition and method using same

C - Chemistry, Metallurgy

21

D

117/238, 6/6

C21D 8/12 (2006.01) C21D 1/70 (2006.01)

Patent

CA 1305832

ABSTRACT OF THE DISCLOSURE By adding an appropriate amount, 1 to 12 weight percent, based on the amount of magnesium oxide present and Loss On Ignition values of powdered magnesium metal to the magnesium oxide aqueous slurry composition used to make a separating-agent composition in the making of grain- oriented silicon electrical steel, there are obtained composition, an article, and a method characterized principally by a substantial decrease in the rate of rejections of the product of the final texturizing anneal because of coating defects - such difficulties as bare spots, and metal-overlay pattern. Moreover, the magnetic properties may be improved because of improved control of the propagation of the internally oxidized zone of the steel.

546704

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