Method for producing a magnet with radial magnetic anisotropy

Details Method for producing a magnet with radial magnetic anisotropy Method for producing a magnet with radial magnetic anisotropy

1984-02-24

1987-12-29

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148103, H01F 102

Patent

active

047159049

ABSTRACT:
In production of a permanent magnet by forming a roll of an elongated magnetic metal strap, a strap made from a spinodal decomposition type magnetic alloy is subjected, at least before formation into a roll, to age-hardening under concurrent magnetization in order to obtain a magnet having significant radial magnetic anisotropy well suited for use in sound systems such as loudspeakers.

REFERENCES:
patent: 3106496 (1963-10-01), Anolick
patent: 3117065 (1964-01-01), Wootten
patent: 3598662 (1971-08-01), de Vos et al.
patent: 4246049 (1981-01-01), Bronner et al.
patent: 4253883 (1981-03-01), Jin
patent: 4305764 (1981-12-01), Iwata
patent: 4437907 (1984-03-01), Sato et al.

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