Bonded magnet with low losses and easy saturation

Details Bonded magnet with low losses and easy saturation Bonded magnet with low losses and easy saturation

1996-04-10

1998-03-10

Sheehan, John

Compositions

Magnetic

With wax, bitumen, resin, or gum

148302, 148104, 252 6255, C04B 3504

Patent

active

057257922

ABSTRACT:
The present invention provides a bonded isotropic magnet containing a composition comprising from about 5 to 25% rare earth metal, from about 0.5 to about 4.5% boron, from about 0.5 to about 3.0% niobium, and the balance principally of iron. Such a magnet exhibits low coercivity and low loss upon aging.

REFERENCES:
patent: 5049208 (1991-09-01), Yajima et al.
patent: 5449417 (1995-09-01), Shimizu et al.

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