Method for reducing core losses of grain-oriented silicon steel

Details Method for reducing core losses of grain-oriented silicon steel Method for reducing core losses of grain-oriented silicon steel

1987-02-09

1988-04-12

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148113, H01F 104

Patent

active

047372036

ABSTRACT:
A method is provided for improving core loss of grain-oriented silicon steel by scribing the steel after cold rolling in a direction substantially transverse to the rolling direction by directing a pressurized liquid jet onto the steel surface to form selected spaced-apart scribe lines. The jet may contain solid particles which increase the scribing efficiency.

REFERENCES:
patent: 3647575 (1972-03-01), Fiedler et al.
patent: 3990923 (1976-11-01), Takashina et al.
patent: 4299105 (1981-11-01), Whitworth
patent: 4513597 (1985-04-01), Kimoto et al.
patent: 4548656 (1985-10-01), Kimoto et al.

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