Method of manufacturing a permanent magnet
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United States of America Patent
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-
Aug 15, 1989
Grant Date -
N/A
app pub date -
Oct 9, 1987
filing date -
Oct 13, 1986
priority date (Note) -
Expired
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Abstract
Permanent magnets are manufactured by grinding a magnetic phase having the composition RE.sub.2 (Fe, Co).sub.14 B with a non-magnetic phase, orienting it magnetically, densifying and then sintering it. The non-magnetic phase may be a hydride of either a rare earth metal or alloy thereof. The second phase must have a melting point lower than the magnetic phase.
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