韩景智, 孙爱芝, 刘涛, 肖耀福, 王润. HDDR三元NdFeB各向异性材料的制备[J]. 工程科学学报, 2002, 24(2): 137-140. DOI: 10.13374/j.issn1001-053x.2002.02.011
引用本文: 韩景智, 孙爱芝, 刘涛, 肖耀福, 王润. HDDR三元NdFeB各向异性材料的制备[J]. 工程科学学报, 2002, 24(2): 137-140. DOI: 10.13374/j.issn1001-053x.2002.02.011
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HAN Jingzhi, SUN Aizhi, LIU Tao, XIAO Yaofu, WANG Run. Fabrication of Ternary NdFeB Anisotropy Powder by HDDR Process[J]. Chinese Journal of Engineering, 2002, 24(2): 137-140. DOI: 10.13374/j.issn1001-053x.2002.02.011
Citation: HAN Jingzhi, SUN Aizhi, LIU Tao, XIAO Yaofu, WANG Run. Fabrication of Ternary NdFeB Anisotropy Powder by HDDR Process[J]. Chinese Journal of Engineering, 2002, 24(2): 137-140. DOI: 10.13374/j.issn1001-053x.2002.02.011
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HDDR三元NdFeB各向异性材料的制备

Fabrication of Ternary NdFeB Anisotropy Powder by HDDR Process

    摘要
  • 摘要: 研究了HDDR三元NdFeB各向异性磁粉的制备工艺.发现脱氢速度对HDDR三元各向异性NdFeB的磁性能具有显著影响;缓慢的脱氢处理有助于材料获得高的各向异性.在最佳工艺条件下,可获得磁能积为84 kJ·m3的HDDR三元NdFeB各向异性粘结磁体.

     

    Abstract: The preparation process of HDDR ternary NdFeB anisotropic powder was studied. The research results showed that the effects of desorption rate of hydrogen on the magnetic properties of HDDR ternary NdFeB anisotropy were remarkable, and slow desorption treatment was beneficial to the attainment of strong anisotropy. By the optimum HDDR treatment, the HDDR ternary NdFeB anisotropy bonded magnet with Br of 0.78 T,iHc of 640 kA·m-1 and (BH)max of 84kJ·m-3 can be obtained.

     

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