Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1985-05-20
1986-05-13
Sheehan, John P.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75123E, 148 3157, C22C 3300
Patent
active
045884390
ABSTRACT:
A permanent magnet alloy that when used in the production of a permanent magnet results in a magnet that is highly resistant to disintegration when exposed to a combination of humidity and heat. Consequently, the alloy consists essentially of, in weight percent, 30 to 36 of at least one rare earth element, 60 to 66 iron, 6,000 to 35,000 ppm oxygen and balance boron.
Dulis Edward J.
Narasimhan Kalathur S. V. L.
Willman Carol J.
Crucible Materials Corporation
Sheehan John P.
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