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| 永磁材料长期稳定性研究进展 | |
| 引用本文： | 刘国征,夏宁,赵明静,刘小鱼,鲁富强,李波,喻小军.永磁材料长期稳定性研究进展[J].稀土,2010,31(2). |
| 作者姓名： | 刘国征 夏宁 赵明静 刘小鱼 鲁富强 李波 喻小军 |
| 作者单位： | 1. 包头稀土研究院,内蒙古,包头,014030;稀土冶金及功能材料国家工程研究中心,内蒙古,包头,014030;钢铁研究总院,北京,100083 2. 稀土冶金及功能材料国家工程研究中心,内蒙古,包头,014030 3. 包头稀土研究院,内蒙古,包头,014030 4. 钢铁研究总院,北京,100083 |
| 摘 要： | 永磁材料的长期稳定性对永磁应用器件的长期可靠使用是极为重要的。本文介绍了永磁材料长期稳定的理论模型的发展和在不同永磁材料中的应用,总结了温度、耐蚀性、镀层防护、永磁体的L/D因素等对烧结钐钴稀土永磁材料短期和长期稳定性的影响,讨论了烧结钕铁硼永磁材料的热稳定性、耐蚀性差的缺点,科技人员近年来所进行的研究和改善的途径,提出解决烧结钕铁硼永磁材料的长期稳定性应用应采取的途径。 |
| 关 键 词： | 长期稳定性 钐钴永磁材料 钕铁硼永磁材料 永磁应用器件 |
Development of the Long-term Stability of Permanent Magnetic Materials |
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| LIU Guo-zheng,XIA Ning,ZHAO Ming-jing,LIU Xiao-yu,LU Fu-qiang,LI Bo,YU Xiao-jun.Development of the Long-term Stability of Permanent Magnetic Materials[J].Chinese Rare Earths,2010,31(2). | |
| Authors: | LIU Guo-zheng XIA Ning ZHAO Ming-jing LIU Xiao-yu LU Fu-qiang LI Bo YU Xiao-jun |
| Affiliation: | LIU Guo-zheng1,3,XIA Ning2,ZHAO Ming-jing1,LIU Xiao-yu1,LU Fu-qiang2,LI Bo3,YU Xiao-jun3(1.Baotou Research Institute of Rare Earths,Baotou 014030,China,2.National Engineering Research Centre of Rare Earth Metallurgy , Functional Materials,3.China Iron & Steel Research Institute Group,Beijing 100083,China) |
| Abstract: | It is a very important factor of the long-term stability of permanent materials for magnetic applied instruments.The development in modeling of long-time stability for permanent materials and its applications in permanent materials was described.The influence of the temperature,corrosion resistance,protection of surface electroplating,length-to-diameter(L/D) ratios for permanent magnet on the short-term and long-term stability of Sm-Co rare earth permanent materials was summerized.The disadvantage of the th... |
| Keywords: | long-term stability Sm-Co permanent materials Nd-Fe-B permanent materials magnetic applied instrument |
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