Permanent magnet with good thermal stability

Details Permanent magnet with good thermal stability Permanent magnet with good thermal stability

1991-06-04

1993-06-29

Sheehan, John P.

Metal treatment

Stock

Magnetic

420 83, 420121, 75244, H01F 1053

Patent

active

052230473

ABSTRACT:
A permanent magnet having good thermal stability, consisting essentially of the composition represented by the general formula:

REFERENCES:
patent: 4402770 (1983-09-01), Koon
patent: 4597938 (1986-07-01), Matsuura et al.
patent: 4767450 (1988-08-01), Ishigaki et al.
patent: 4814139 (1989-03-01), Tokunaga et al.
patent: 4859254 (1989-08-01), Mizoguchi et al.
patent: 4935075 (1990-06-01), Mizoguchi et al.
Endoh et al, "Magnetic Properties and Thermal Stability of Ga Substituted Nd-Fe-Co-B Magnets", IEEE Tran. on Mag. vol. MAG-23, No. 5, Sep. 1987.
Verified Translation of JP-A-62-136,551.
"Cobalt-Free Permanent Magnet Materials Based on Iron-Earth Alloys", J. Appl. Phys. 55 (6), 15 Mar. 1984, pp. 2073-2077.
M. Sagawa et al, J. Appl. Phys. 55 (6) 2083(1984).
T. Mizoguchi et al., Appl. Phys. Lett. 48, 1309 (1986).

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