Rare earth-iron-boron sintered magnets
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United States of America Patent
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Oct 8, 1991
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N/A
app pub date -
Jun 18, 1990
filing date -
May 11, 1987
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Expired
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Abstract
Permanent magnets are prepared by method comprising mixing a particulate rare earth-iron-boron alloy with a particulate transition metal, aligning the magnetic domains of the ixture, compacting the aligned mixture to form a shape, and sintering the compacted shape.
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