Rare earth containing resin-bonded magnet and its production

Details Rare earth containing resin-bonded magnet and its production Rare earth containing resin-bonded magnet and its production

1991-01-07

1993-03-02

Willis, Jr., Prince

Compositions

Magnetic

With wax, bitumen, resin, or gum

148302, C04B 3504, H01F 1053

Patent

active

051906848

ABSTRACT:
A resin bonded magnet which comprises a resinous binder and melt quenched magnetically isotropic ferromagnetic alloy particles having a coercive force of 8 to 12 KOe of the formula: Fe.sub.100-x-y-z Co.sub.x R.sub.y B.sub.z wherein R is at least one of Nd and Pr, x is an atomic % of not less than 15 and not more than 30, y is an atomic % of not less 10 and not more than 13 and z is an atomic % of not less than 5 and not more than 8; the ferromagnetic alloy particles uniformly dispersed in the binder.

REFERENCES:
patent: 4684406 (1987-08-01), Matsuura
patent: 4689163 (1987-08-01), Yamashita
patent: 4767474 (1988-08-01), Fujimura
patent: 4836868 (1989-06-01), Yajima
patent: 4842656 (1989-06-01), Maines
patent: 4873504 (1989-10-01), Blume
patent: 4902361 (1990-02-01), Lee
patent: 4975213 (1990-12-01), Sakai
patent: 5000800 (1991-03-01), Sagawa
patent: 5049208 (1991-09-01), Yajima
patent: 5089065 (1992-02-01), Hamano
Encyclopaedic Dictionary of Physics, "Anisotropy of Magnetic Properties", pp. 194-196, 1961.
Patent Abstracts of Japan-vol. 10, No. 319 (E-450)(2375) Oct. 30, 1986, & JP-A-61 129802 (Hitachi Metals Ltd) Jun. 17, 1986.
Patent Abstracts of Japan-vol. 12, No. 355 (E-661)(3202) Sep. 22, 1988, & JP-A-63 111603 (Santoku Kinzoku Kogyo K.K.) May 16, 1988.

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