Separating-agent composition and method using same

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

1988-06-21

1989-10-03

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 18, 148 28, 427127, B05D 100

Patent

active

048714020

ABSTRACT:
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.

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