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MAGNETIC ANISOTROPIC MAGNETIC POWDER, MAGNETIC ANISOTROPIC PRESSURIZED POWDER MAGNET, MAGNETIC ANISOTROPIC BOND MAGNET, AND MANUFACTURE THEREOF
MAGNETIC ANISOTROPIC MAGNETIC POWDER, MAGNETIC ANISOTROPIC PRESSURIZED POWDER MAGNET, MAGNETIC ANISOTROPIC BOND MAGNET, AND MANUFACTURE THEREOF
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机译:磁性各向异性粉末,磁性各向异性加压粉末磁体,磁性各向异性粘结磁体及其制造
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摘要
PURPOSE:To obtain an excellent magnetizability and reduce irreversible demagnetization factor at high temperatures by making a magnet consist of a specific magnetic anisotropic alloy. CONSTITUTION:A magnetic anisotropic alloy, which consists of R-TM-B-Ga alloy powder (wherein R is more than one or two kinds of rare earth elements including Y, and TM is a material produced by replacing Fe or part of Fe with Co, B is boron, and Ga is gallium) whose average crystal grain diameter is 0.01-0.5mum, and whose average grain diameter is 1-1000mum. Accordingly, a magnetic anisotropic bond magnet having high thermal stability as well as high magnetizability after assembly, and a magnetic powder therefor are obtained.
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