Magnetic material comprising iron, boron and a rare earth metal

Details Magnetic material comprising iron, boron and a rare earth metal Magnetic material comprising iron, boron and a rare earth metal

1989-10-11

1990-06-19

Sheehan, John P.

Metal treatment

Stock

Magnetic

420 83, 420121, H01F 104

Patent

active

049350749

ABSTRACT:
A magnetic material of the composition Fe.sub.79-x-y B.sub.21+x R.sub.y in which R is a rare earth element or a mixture of such elements and wherein -5<x<5 and <y.ltoreq.+4.8
The preferred rare earth element is neodymium and/or praseodymium.

REFERENCES:
patent: 4533408 (1985-08-01), Koon

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