High energy product rare earth-iron magnet alloys
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United States of America Patent
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Oct 15, 1991
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N/A
app pub date -
Aug 12, 1985
filing date -
Sep 3, 1982
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Expired
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Abstract
Magnetically hard compositions having high values of coercivity, remanence and energy product contain rare earth elements, transition metal elements and boron in suitable proportions. The preferred rare earth elements are neodymium and praseodymium, and the preferred transition metal element is iron. The magnetic alloys have characteristic very finely crystalline microstructures.
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