Magnet particles and magnet molding using same
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United States of America Patent
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Jun 18, 2019
Grant Date -
Aug 9, 2018
app pub date -
Aug 24, 2015
filing date -
Aug 24, 2015
priority date (Note) -
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Abstract
A bond magnet molding is provided that contains coated magnetic particles having at least two layers of an oxide layer of 1-20 nm on a surface of magnetic particles and an organic layer of 1-100 nm on an outer side of the oxide layer. The bond magnet molding preferably includes a Zn alloy as a binder. The Zn alloy has a strain rate sensitivity exponent (m value) of not less than 0.3 and an elongation at break of not less than 50%. The magnet particles have a nitrogen compound containing Sm and Fe that are solidified using the binder at a temperature not higher than a molding temperature.
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