| 氢爆碎(HD)工艺对Nd-Fe-B 磁体的制备、微结构和磁性能的影响 |
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| 引用本文： | 朱旭霞,徐卫红,张书凯,祝景汉.氢爆碎(HD)工艺对Nd-Fe-B 磁体的制备、微结构和磁性能的影响[J].磁性材料及器件,2005,36(6):36-39. |
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| 作者姓名： | 朱旭霞 徐卫红 张书凯 祝景汉 |
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| 作者单位： | 宁波工程学院机械系,浙江宁波,315016;宁波工程学院化工系,浙江宁波,315016;宁波韵升集团,浙江宁波,315040;北京钢铁研究总院,北京,100081 |
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| 摘 要： | 选用40HP和40SHP牌号合金铸锭分别采用氢爆碎和传统制粉工艺制备了烧结磁体,研究了氢爆碎工艺及烧结温度对磁体的微观组织和磁性能的影响.结果表明,HD工艺能明显提高NdFeB磁体的磁性能.
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| 关 键 词： | NdFeB磁体 氢爆碎工艺 烧结温度 磁性能 组织 |
| 文章编号： | 1001-3830(2005)06-0036-04 |
| 收稿时间： | 2005-03-01 |
| 修稿时间： | 2005-07-10 |
Influence of Hydrogen Decrepitation on the Preparation,Microstructure and Magnetic Properties of Nd-Fe-B Magnets |
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| ZHU Xu-xia,XU Wei-hong,ZHANG Shu-kai,ZHU Jing-han.Influence of Hydrogen Decrepitation on the Preparation,Microstructure and Magnetic Properties of Nd-Fe-B Magnets[J].Journal of Magnetic Materials and Devices,2005,36(6):36-39. |
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| Authors: | ZHU Xu-xia XU Wei-hong ZHANG Shu-kai ZHU Jing-han |
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| Abstract: | In this paper,hydrogen decrepitation(HD)and conventional powder making method were respectively applied to the production of powder for 40HP and 40SHP magnets.Influence of the two methods on the microstructure and magnetic properties of sintered NdFeB permanent magnets was investigated.The results show that magnetic properties of NdFeB permanent magnet made from HD powder is evitably improved. |
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| Keywords: | NdFeB permanent magnet hydrogen decrepitation sintering temperature magnet properties microstructure |
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