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Sintered magnet, electric equipment, use of sintered magnet for electric equipment, and method of manufacturing sintered magnet
Sintered magnet, electric equipment, use of sintered magnet for electric equipment, and method of manufacturing sintered magnet
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机译：烧结磁体，电气设备，该烧结磁体在电气设备中的用途以及该烧结磁体的制造方法
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摘要
For example, a sintered magnet (1) for electrical equipment, the sintered magnet comprising a core part (3), a shell part (2) arranged on the outside of the sintered magnet, a core part and a shell part And a diffusion portion (4) at least partially disposed between the first and second diffusion portions. The shell part (2) has a coercivity of at least 30 kA / m which is greater than the coercivity of the core part (3). In the diffusion portion (4), the coercive force is not less than the coercive force of the core portion (3) and not more than the coercive force of the shell portion (2), and the value of the coercive force is from the core portion (3) to the shell portion (2). Gradually increases toward. The thickness of the core part (3) is 1 mm or more, and the total thickness of the shell part (2) and the diffusion part (4) is at least 5 mm.
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