Temperature stable permanent magnet

Details Temperature stable permanent magnet Temperature stable permanent magnet

1995-11-20

1998-06-30

Sheehan, John

Metal treatment

Stock

Magnetic

148301, 420582, H01F 1055

Patent

active

057727961

ABSTRACT:
A rare earth element containing permanent magnet which retains its magnetic properties at elevated temperatures by a combination of reducing the temperature coefficient of intrinsic coercivity lower than -0.2%/.degree.C., and increasing the intrinsic coercivity to over 10 kO.sub.e.

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patent: 4578125 (1986-03-01), Sahashi et al.
patent: 5382303 (1995-01-01), Anderson
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