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主要研究了合金元素Zr对NdFeB合金在HDDR过程中显微组织变化的影响,Zr是在合金熔炼时按一定比例加入的.研究结果表明:添加到NdFeB合金中的Zr,大部分进入晶界中,形成了针状的富Zr相,且在HDDR过程中,针状的富Zr相不随合金组织的变化而变化;少量进入主相中,使磁粉出现了磁各向异性.

参考文献

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