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Method for compacting magnetic powder in magnetic field, and method for producing rare-earth sintered magnet
Method for compacting magnetic powder in magnetic field, and method for producing rare-earth sintered magnet
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机译:在磁场中压实磁性粉末的方法和稀土烧结磁体的生产方法
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摘要
A method for compacting a magnetic powder in a magnetic field comprising steps of filling a die with a magnetic powder, applying a pulsed magnetic field to the magnetic powder in the die to orientate the powder, and compressing the magnetic powder, wherein the pulsed magnetic field is applied twice or more when density ρ of a compacted body of said magnetic powder satisfies the relationship ρ=α×H0.5+β(α=0.63 and β=1 to 2), where H is intensity (T) of the applied magnetic field.
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