| 电场烧结法制备纳米复相Nd2Fe14B／α-Fe永磁块体材料 |
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| 引用本文： | 张龙凤,刘颖,叶金文,张然.电场烧结法制备纳米复相Nd2Fe14B／α-Fe永磁块体材料[J].稀有金属材料与工程,2007,36(4):747-749. |
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| 作者姓名： | 张龙凤 刘颖 叶金文 张然 |
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| 作者单位： | 四川大学,四川,成都,610065 |
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| 摘 要： | 采用电场烧结法制备出纳米复相Nd10．5Dy0．5Fe76．9Nb1Co586．1永磁块体，研究了电场烧结温度对其磁性能和抗压强度的影响，采用XRD，SEM等方法分别对其相结构、显微组织进行了分析。结果表明：非晶合金压制成型后，经823K，300S电场烧结制得的纳米晶永磁块体具有最佳磁性能：Br=0．6498T，Hcj=714kA／m，（BH）max=63kJ／m^3。随着烧结温度的升高，块体的抗压强度增加。
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| 关 键 词： | 电场烧结法 纳米复相永磁块体 磁性能 抗压强度 |
| 文章编号： | 1002-185X(2007)04-0747-03 |
| 修稿时间： | 2006-01-19 |
Preparation of Nd2Fe14B/a-Fe Nanocomposite Permanent Bulk Magnets by Field-Activated Sintering Process |
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| Zhang Longfeng,Liu Ying,Ye Jinwen,Zhang Ran.Preparation of Nd2Fe14B/a-Fe Nanocomposite Permanent Bulk Magnets by Field-Activated Sintering Process[J].Rare Metal Materials and Engineering,2007,36(4):747-749. |
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| Authors: | Zhang Longfeng Liu Ying Ye Jinwen Zhang Ran |
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| Affiliation: | Siehuan University, Chengdu 610065, China |
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| Abstract: | The permanent bulk magnets of Nd10.5Dy0.5Fe76.9Nb1Co5B6.1 were prepared by the process of field-activated sintering in this paper. The microstructure was discussed by XRD, SEM and so on. The results show that the optimal magnetic properties of Nd10.5Dy0.5Fe76.9Nb1Co5B6.1 (Br=0.6498 T, Hcj=714 kA/m, (BH)max=63 kJ/m3) magnets have been obtained while treated at 823 K for 300 s by field-activated sintering. The compressive strength increases as the increase of sintering temperature. |
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| Keywords: | field-activated sintering nanocomposite permanent bulk magnets magnetic properties compressive strength |
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