| 稀土永磁材料研究新进展 |
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| 引用本文： | 王尔德,石刚,郭斌,胡连喜. 稀土永磁材料研究新进展[J]. 粉末冶金技术, 2005, 23(1): 55-61 |
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| 作者姓名： | 王尔德 石刚 郭斌 胡连喜 |
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| 作者单位： | 哈尔滨工业大学材料科学与工程学院,哈尔滨,150001 |
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| 基金项目： | 教育部留学回国人员科研启动基金;哈尔滨工业大学校科研和教改项目 |
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| 摘 要： | 综述了稀土永磁材料研究的新进展，重点介绍了具有磁交换耦合作用的新型纳米复合永磁体。通过列举一些典型永磁体合金和其磁性能，讨论了不同合金成分、制备工艺以及添加微量元素对磁性材料微观结构和磁性能的影响。同时说明了在纳米复合永磁材料中硬磁相与软磁相间的磁交换耦合作用机理，以及交换耦合作用对纳米复合永磁材料磁性能的影响。
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| 关 键 词： | 稀土永磁体 纳米复合 磁交换耦合 磁性能 |
| 修稿时间： | 2003-05-07 |
Recent research progress in rare-earth permanent magnetic materials |
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| Wang Erde,Shi Gang,Guo Bin,Hu Lianxi. Recent research progress in rare-earth permanent magnetic materials[J]. Powder Metallurgy Technology, 2005, 23(1): 55-61 |
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| Authors: | Wang Erde Shi Gang Guo Bin Hu Lianxi |
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| Abstract: | Recent research progress in rare earth permanent magnetic materials is reviewed, with special emphasis focused on the new rare earth based magnetic exchange coupling nano composites Some typical permanent magnetic alloys and their properties are exemplified The effects of alloy composition, processing route, and various transition elements addition on the microstructure and magnetic properties of magnets are discussed The mechanism of magnetic exchange coupling between the hard and the soft magnetic phase in the nano composite materials and the effect of such exchange coupling on the magnetic properties of the nano composite magnets are explained |
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| Keywords: | rare-earth permanent magnets nano-composites magnetic exchange-coupling magnetic properties |
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