| Nd_8Fe_(82)Co_3Nb_1B_6合金晶化行为及磁性能研究 |
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| 引用本文： | 马瑞,卢斌,周娟,万明攀,雷源源. Nd_8Fe_(82)Co_3Nb_1B_6合金晶化行为及磁性能研究[J]. 现代机械, 2010, 0(2): 73-74,87 |
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| 作者姓名： | 马瑞 卢斌 周娟 万明攀 雷源源 |
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| 作者单位： | 1. 贵州大学,材料与冶金学院,贵州,贵阳,550003
2. 中南大学,材料科学与工程学院,湖南,长沙,410083 |
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| 基金项目： | 贵阳市科学技术计划项目 |
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| 摘 要： | 用DTA及XRD研究了Nd8Fe82Co3Nb1B6合金的晶化行为。结果表明,α-Fe软磁相和Nd2Fe14B硬磁相的表观激活能分别为309.8 kJ/mol和363.6 kJ/mol,且α-Fe相和Nd2Fe14B相晶化激活能整体均呈下降趋势。快淬合金经670℃/30 min退火处理后,其最佳磁性能为:Br=0.85 T,Hcj=152 kA/m,(BH)max=47.5 kJ/m3。
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| 关 键 词： | 纳米晶双相结构 晶化行为 硬磁相 软磁相 磁性能 |
Study of the Crystallization Behavior and Magnetic Properties of Nd_8Fe_(82)Co_3Nb_1B_6 Nanocomposites |
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| MA Rui,LU Bin,ZHOU Juan,WAN Mingpan,LEI Yuanyuan. Study of the Crystallization Behavior and Magnetic Properties of Nd_8Fe_(82)Co_3Nb_1B_6 Nanocomposites[J]. Modern Machinery, 2010, 0(2): 73-74,87 |
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| Authors: | MA Rui LU Bin ZHOU Juan WAN Mingpan LEI Yuanyuan |
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| Affiliation: | MA Rui, LU Bin, ZHOU Juan, WAN Mingpan, LEI Yuanyuan |
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| Abstract: | The crystallization behavior of Nds Nd8Fe82Co3Nb1B6 was investigated by DTA and XRD. Apparent activation energies of soft magnetic phase and hard magnetic phases were 309.8kJ/mol and 363.6kJ/mol, respectively. And their activation energy as a whole decreased. Nd8Fe82Co3Nb1B6 magnet was prepared by melt-spun （25m/s） and subsequent heat treatment （670 ℃/30 min）. Excellent magnetic properties of this magnet can be achieved, Br =0.85 T,Hc =152 kA/m,（BH）max =47.5 kJ/m^3. |
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| Keywords: | nanocomposite structure crystallization behavior hard magnetic phase soft magnetic phase magnetic properties |
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