Method of manufacturing an electromagnetic core

Details Method of manufacturing an electromagnetic core Method of manufacturing an electromagnetic core

1980-10-24

1983-01-18

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 12A, 72275, 72286, 72352, 72360, 29602R, H01F 100

Patent

active

043690777

ABSTRACT:
A method of manufacturing stationary electromagnetic cores utilizes mild steel having a carbon content of up to 0.01% by weight and an impurity content of less than 0.31% by weight. Use of this material lowers the cost of manufacturing electromagnetic cores by shortening the drawing process and obviating the necessity for magnetic annealing.

REFERENCES:
patent: 1723769 (1929-08-01), Davis
patent: 3695946 (1972-10-01), Demeaux
patent: 3881967 (1975-05-01), Cochardt et al.
patent: 3952571 (1976-04-01), Yokota et al.
"Magnetic Characteristics of Mild Steel" by Hachiro Takubo and Fumio Tsutsumi, published in Nitsuko Giho No. 3 (1970).

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