Finish treatment method and silicon steel sheet manufactured by

Details Finish treatment method and silicon steel sheet manufactured by Finish treatment method and silicon steel sheet manufactured by

1997-12-11

1999-06-22

Sheenan, John

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148112, 164459, 164476, 164477, H01F 1147, H01F 114

Patent

active

059139870

ABSTRACT:
A method for manufacturing a soft magnetic steel sheet is disclosed. The silicon steel sheet is made to undergo a finish treatment so that it can be put to the practical use. The finish treatment method for an Fe-Si silicon steel sheet manufactured by a direct casting method by directly contacting a molten pool to a cooling roll according to the present invention includes the step of pickling the manufactured Fe-Si silicon steel sheet, and carrying out a cold rolling. Then the silicon steel sheet thus cold-rolled is heat-treated at a temperature above 0.5 Tm (Tm: melting temperature of the steel sheet).

REFERENCES:
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patent: 5720335 (1998-02-01), Osada et al.
Korean Patent Application No. 95-48472. Abstract, Dec. 11, 1995, 1 p., English language.
"Fe-3.25%Si Strip Produced by Melt Drag Process", Jin K. Sung et al., No. 384, Abstracts of the 117th Meeting of JIM (1995), p. 389.
"Annealing effect on grain texture of cold-rolled 4.5% Si-Fe ribbons prepared by a rapid quenching method", Ken Ichi Arai et al., J. Appl. Phys. 64(10), Nov. 15, 1988, 5373-5375.
"Texture and Magnetic Properties of Rapidly Quenched Fe-6.5wt%Si Ribbon", C.F. Chang et al., IEEE Transactions on Magnetics, vol. Mag-20, No. 4, Jul. 1984, pp. 553-558.
"A Study of Ferrous-Based Soft Magnetic Materials for Transformer and Similar Applications", T.F. Foley et al., Journal of The Iron and Steel Institute, Feb. 1970, pp. 147-156.

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