| 微量Ga元素对双相纳米晶磁体性能的影响 |
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| 引用本文： | 朱明刚,董生智,李岫梅,李卫. 微量Ga元素对双相纳米晶磁体性能的影响[J]. 金属功能材料, 2001, 8(1): 26-29 |
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| 作者姓名： | 朱明刚 董生智 李岫梅 李卫 |
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| 作者单位： | 1. 钢铁研究总院功能材料所;河北师范大学物 理系
2. 钢铁研究总院功能材料所 |
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| 摘 要： | 探讨了微量的Ga替代Fe对Nd2 Fe14 B/Fe3B + (少量 )α Fe永磁材料的晶体结构及磁性能的影响。结果表明 :添加微量的Ga同样可减小晶粒尺寸 ;在Ga含量x <1% (原子百分比 )的范围 ,随着x的增加 ,Br 和 (BH) max随晶化时间变化的曲线由非线性向线性转化 ;矫顽力jHc 下降到一个最小值后 ,又缓慢上升 ;当x =0 2时 ,综合磁性能较好。
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| 关 键 词： | 双相纳米晶磁体 快淬 晶化 交换耦合 磁性能 钙 |
| 文章编号： | 1 005－8192（2001）01－0026－04 |
| 修稿时间： | 2000-10-18 |
Effect of the Ga Content on the Magnetic Properties for the Dual-phase Nanocrystalline Bonded Magnets |
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| Zhu Minggang ,,Dong Shengzhi ,Li Xiumei ,Li Wei. Effect of the Ga Content on the Magnetic Properties for the Dual-phase Nanocrystalline Bonded Magnets[J]. Metallic Functional Materials, 2001, 8(1): 26-29 |
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| Authors: | Zhu Minggang Dong Shengzhi Li Xiumei Li Wei |
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| Affiliation: | Zhu Minggang 1,2,Dong Shengzhi 1,Li Xiumei 1,Li Wei 1 |
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| Abstract: | Effect of the Ga content substituting the Fe on the cryst alstructure and magnetic properties for the Nd2Fe14B/Fe3B＋(little) α-Fe permanent magnetic materials was discussed. The results show that the crystal size was markedly decresed by adding Ga. With the increase of x, the curves of the Br and the (BH)max change wi th annealing time from non-linearity to linearity in the Ga content range of x<1at%, the coercive force jHc decreases at first to a minimum and then increaes slowly. The best value of the magnetic properties is obtained while the x=0.2. |
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| Keywords: | dual phase nanocrystalline magnets melt spin crystallization exchange coupling magnetic properties |
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