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首页> 外文期刊>Journal of rare earths >Effect of Particle Size and Distribution of Rapidly Quenching NdFeB Magnetic Powder on Magnetic Properties of Polymer-bound NdFeB Permanent Magnet
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Effect of Particle Size and Distribution of Rapidly Quenching NdFeB Magnetic Powder on Magnetic Properties of Polymer-bound NdFeB Permanent Magnet

机译：快淬NdFeB磁粉的粒径和分布对与聚合物结合的NdFeB永磁体磁性能的影响

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摘要

The effect of particle size and distribution of rapidly quenching NdFeB magnetic powder on the magnetic properties of polymer-bonded NdFeB permanent magnet was studied. The results show that the particle size and the distribution of rapidly quenching NdFeB magnetic powder have significant effects on the magnetic properties of polymer-bonded NdFeB permanent magnet. As long as the size and the distribution of rapidly quenching NdFeB powder are within the right range, high magnetic properties of polymer-bonded NdFeB permanent magnet can be obtained. This is mainly because the rapidly quenching NdFeB magnetic powder has high hardness and is scale-shaped. The larger the size of rapidly quenching NdFeB particles is, the more difficult it is to obtain high density of bonded NdFeB magnet. However the structure will be destroyed if the size is too small. It Results in the deterioration of magnetic properties. The mechanism is also discussed.
机译：研究了快速淬火NdFeB磁粉的粒径和分布对聚合物粘结的NdFeB永磁体磁性能的影响。结果表明，快速淬火的NdFeB磁粉的粒径和分布对粘结聚合物的NdFeB永磁体的磁性能有重要影响。只要快速淬火的NdFeB粉末的尺寸和分布在合适的范围内，就可以获得聚合物粘结的NdFeB永磁体的高磁性能。这主要是因为快速淬火的NdFeB磁性粉末具有高硬度并且是鳞片状的。快速淬火的NdFeB颗粒的尺寸越大，获得高密度的粘结NdFeB磁体越困难。但是，如果尺寸太小，结构将被破坏。导致磁性能下降。还讨论了该机制。

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