High performance magnetic materials with low flux-aging loss
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United States of America Patent
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Issued Date -
Apr 29, 2004
app pub date -
Oct 24, 2002
filing date -
Oct 24, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to magnetic materials made by rapid solidification processes which exhibit high remanence and intrinsic coercivity values and low flux-aging loss. More specifically, the invention relates to isotropic Nd--Fe--B type materials with remanence and intrinsic coercivity values of greater than 8.0 kG and 10.0 kOe, respectively, at room temperature, and bonded magnets made from the magnetic materials with low flux-aging loss and are suitable for high temperature applications. The invention also relates to methods of making the magnetic materials and the bonded magnets.
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