Anisotropic neodymium-iron-boron system plastic bonded magnet

Details Anisotropic neodymium-iron-boron system plastic bonded magnet Anisotropic neodymium-iron-boron system plastic bonded magnet

1992-05-27

1993-05-25

Cooper, Jack

Compositions

Magnetic

With wax, bitumen, resin, or gum

148302, H01F 130

Patent

active

052137031

ABSTRACT:
This invention relates to an anisotropic neodymium-iron-boron system plastic bonded magnet containing from 10 to 20% by weight an anisotropic neodymium-iron boron system magnetic powder having a grain-size distribution from 10 to 49 microns and a resin binder. By employing this constitution, a substantially improved (BH).sub.max of the compressed mold body, due to improved magnetic field orientation, is realized.

REFERENCES:
patent: 4558077 (1985-12-01), Gray
patent: 4842656 (1989-06-01), Maines
patent: 4921553 (1990-05-01), Tokunga
patent: 4975213 (1990-12-01), Sakai
patent: 4981635 (1991-01-01), Yamashita
Perry, Chemical Engineer's Handbook, 5th ed, pp. 21-40 thru 21-41.

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