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Rare earth magnet alloy, manufacturing method thereof and product applied with rare earth magnet alloy
Rare earth magnet alloy, manufacturing method thereof and product applied with rare earth magnet alloy
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机译:稀土磁铁合金,其制造方法以及应用于稀土磁铁合金的产品
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摘要
A Nd—Fe—B type rare earth magnet alloy is provided with hard magnetic phases each of which has a size equal to or less than 80 nm, soft magnetic phases each of which has a size equal to or less than 80 nm, with the hard and soft magnetic phases being present in a mixed structure, and partly anisotropic regions wherein axes of easy magnetization of the hard magnetic phases are aligned in one direction and each having a size equal to or greater than 0.1 &mgr;m. Such a magnet alloy is obtained using a strip casting method or ultra cooling method and serves as material for an anisotropic exchange spring magnet to be applied to a motor.
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