Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness
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United States of America Patent
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Nov 22, 2005
Grant Date -
Oct 30, 2003
app pub date -
Nov 13, 2002
filing date -
Apr 29, 2002
priority date (Note) -
Expired
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Abstract
Compositionally modified, sintered RE-Fe—B-based rare earth permanent magnets demonstrate the optimum combination of mechanical and magnetic properties, thereby maximizing fracture toughness with corresponding improved machinability, while maintaining the maximum energy product (BH)max.
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