Method of manufacturing an amorphous magnetic alloy

Details Method of manufacturing an amorphous magnetic alloy Method of manufacturing an amorphous magnetic alloy

1980-06-19

1983-04-05

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148103, H01F 102

Patent

active

043790046

ABSTRACT:
A method of manufacturing a high permeability amorphous magnetic alloy is disclosed. In the method amorphous magnetic alloy ribbon prepared by quenching a melt of raw material is annealed at an elevated temperature lower than a crystallization temperature of the alloy, in a magnetic field. During the annealing, the alloy ribbon and the direction of the magnetic field are relatively rotated with each other. The method is especially useful to an amorphous magnetic alloy having high saturation magnetic induction where the magnetic Curie temperature of the alloy usually exceeds the crystallization temperature of the alloy.

REFERENCES:
patent: 4116728 (1978-09-01), Becker et al.
patent: 4236946 (1980-12-01), Aboaf et al.
patent: 4249969 (1981-02-01), DeCristofaro et al.

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