Rare-earth iron-boron magnet containing cerium and lanthanum
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Sep 24, 1999
filing date -
Sep 24, 1999
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Abstract
Permanent rare-earth magnets containing Ce are fabricated with coercivity greater than 4 kOe. One composition for such magnets is [Ce.sub.y R.sub.1-y ].sub.z (F.sub.1-v B.sub.v).sub.1-z, where R is one or more rare-earth elements, F is Fe or Fe--Co, and the relative elemental atomic composition is 0.0
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