| Effect of high magnetic field on the crystallization of Nd2Fe14B/α-Fe nanocomposite magnets |
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| 作者姓名： | WANG Zhanyong XU Hui NI Jiansen LI Qiang ZHOU Bangxin |
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| 作者单位： | [1]Institute of Materials Science, Shanghai University, Shanghai 200072, China [2]Department of Materials Engineering, Shanghai Institute of Technology, Shanghai 200235, China [3]Center of Test and Measurement, Shanghai University, Shanghai 200436, China |
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| 基金项目： | [This work was financially supported by the National Advanced Technology Research and Development Committee of China （No.2002AA302602-2） and the Scientific and Technological Committee of Shanghai （03QF14018）.] |
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| 摘 要： | Nd8.1Dy0.9Fe76.95Co8.55B5.5 nanocomposite magnets annealed with and without a 10 T magnetic field were investigated in this article. The ribbons with coexisting amorphous and crystalline phases were selected to do this study. The resuits of Moessbauer spectroscopy revealed that the content of α--Fe increased when annealed in high strength magnetic field. The size of the grains also increased considerably after the application of magnetic annealing. All these led to the decrease of the magnetic properties, especially the coercivity of the ribbons.
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| 关 键 词： | 磁性材料 纳米化合物磁体 结晶化 磁场 熔体纺丝 |
| 收稿时间： | 2005-07-29 |
Effect of high magnetic field on the crystallization of Nd2Fe14B/α-Fe nanocomposite magnets |
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| WANG Zhanyong XU Hui NI Jiansen LI Qiang ZHOU Bangxin.Effect of high magnetic field on the crystallization of Nd2Fe14B/α-Fe nanocomposite magnets[J].Rare Metals,2006,25(4):337-341. |
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| Authors: | WANG;Zhanyong;XU;Hui;NI;Jiansen;LI;Qiang;ZHOU;Bangxin |
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| Affiliation: | 1. Institute of Materials Science, Shanghai University, Shanghai 200072, China;2. Department of Materials Engineering, Shanghai Institute of Technology, Shanghai 200235, China;3. Center of Test and Measurement, Shanghai University, Shanghai 200436, China;1. Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang, China;2. Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang, China;1. CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, PR China;2. School of Materials Science and Engineering, Xi''an University of Technology, Xi''an, 710048, PR China;1. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China;2. Institute for Advanced Materials and Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510640, China;1. Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, PR China;2. School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China;3. Suzhou Research Institute for Nonferrous Metals, Suzhou 215026, PR China;4. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, PR China;1. Department for Nanostructured Materials, Jo?ef Stefan Institute, Jamova cesta 39, Ljubljana 1000, Slovenia;2. Centre for Electron Microscopy and Microanalysis (CEMM), Jamova cesta 39, Ljubljana 1000, Slovenia;3. Jo?ef Stefan International Postgraduate School, Jamova cesta 39, Ljubljana 1000, Slovenia |
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| Abstract: | Nd8.1Dy0.9Fe76.95Co8.55B5.5 nanocomposite magnets annealed with and without a 10 T magnetic field were investigated in this article. The ribbons with coexisting amorphous and crystalline phases were selected to do this study. The results of Mössbauer spectroscopy revealed that the content of α-Fe increased when annealed in high strength magnetic field. The size of the grains also increased considerably after the application of magnetic annealing. All these led to the decrease of the magnetic properties, especially the coercivity of the ribbons. |
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| Keywords: | magnetic materials nanocomposite magnet crystallization magnetic field melt spinning |
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