Rear earth-iron-boron permanent magnets containing aluminum
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United States of America Patent
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Sep 4, 1990
Grant Date -
N/A
app pub date -
Apr 4, 1988
filing date -
May 30, 1986
priority date (Note) -
Expired
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Abstract
Permanent magnets are prepared by a method comprising mixing a particular rare earth-iron-boron alloy with particulate aluminum, aligning the magnetic domains of the mixture, compacting the aligned mixture to form a shape, and sintering the compacted shape.
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