Method for producing low iron loss grain oriented silicon steel

Details Method for producing low iron loss grain oriented silicon steel Method for producing low iron loss grain oriented silicon steel

1990-10-31

1993-02-09

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148113, H01F 104

Patent

active

051850435

ABSTRACT:
A grain oriented silicon steel sheet having a low iron loss and not causing degradation of properties even through strain relief annealing is produced by applying ultrasonic vibrations to the surface of the sheet after secondary recrystallization annealing.

REFERENCES:
patent: 4750949 (1988-06-01), Kobayashi et al.
Patent Abstracts of Japan vol. 10 No. 245 (C-368) 2301 Aug. 22, 1986.
Patent Abstracts of Japan vol. 11 No. 81 (E-488) 2528 Mar. 12, 1987.
Patent Abstracts of Japan vol. 6 No. 7 C-87 885 Jan. 6, 1982.

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