Cu additions to Nd-Fe-B alloys to reduce oxygen content in the ingot and rapidly solidified ribbon
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Sep 30, 1999
filing date -
Sep 30, 1999
priority date (Note) -
Expired
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Abstract
A process is disclosed for producing rare earth-iron-boron alloys and magnets with reduced oxygen content and improved yield. Such a reduction in oxygen content and improvement in yield are achieved by including copper in a melt having a composition comprising a rare earth, boron, and iron, and subsequently solidifying the melt.
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