Rapidly quenched ribbon magnet and plastic magnet containing pow

Details Rapidly quenched ribbon magnet and plastic magnet containing pow Rapidly quenched ribbon magnet and plastic magnet containing pow

1988-02-25

1990-11-27

Sheehan, John P.

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6254, 148302, 148104, 420 83, 420121, C04B 3564

Patent

active

049734156

ABSTRACT:
A rapidly quenched ribbon magnet has a composition represented by the formula of R.sub.x Fe.sub.y B.sub.z. In the furmula, R represents a rare earth element mixture consisting essentially of 1 to 39 wt. % of praseodymium, 60 to 98 wt. % of neodymium and 1 to 10 wt. % of cerium. Fe represents iron. B represents boron. x is 33 to 35 wt. %. y is 60 to 66 wt. %. z is 0.8 to 1.2 wt. %. The plastic magnet contains a thermosetting resin and powders of the rapidly quenched ribbon magnet.

REFERENCES:
patent: 4558077 (1985-12-01), Gray

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