Method of making magnetic component for direct current apparatus

Details Method of making magnetic component for direct current apparatus Method of making magnetic component for direct current apparatus

1978-04-14

1979-06-19

Steiner, Arthur J.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148121, 148122, 264111, 264DIG58, H01F 108

Patent

active

041585810

ABSTRACT:
A method of making compact cores for use in direct current magnetic apparatus characterized by the steps of severing particles from thin, flat strips of ferrous alloys, said particles being substantially of elongated rectangular shape, annealing said laminations in decarburizing and deoxidizing atmosphere to improve the magnetic characteristics by reducing carbon to less than 0.01% and relieving stresses, compressing the particles into a solidified configuration of the desired core component, and annealing the core component at a temperature upwards of 2200.degree. F. in a non-oxidizing atmosphere to improve the permeability and coercive force values.

REFERENCES:
patent: 3235675 (1966-02-01), Blume
patent: 3848331 (1974-11-01), Pavlik et al.
patent: 3948690 (1976-04-01), Pavlik et al.

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