高性能燒結NdFeB磁體的制備技術

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高性能燒結NdFeB磁體的制備技術

包小倩, 李青華, 朱學新, 李成棟, 朱潔, 張茂才, 周壽增

文章導航 > 工程科學學報 > 2006 > 28(9): 850-853

包小倩, 李青華, 朱學新, 李成棟, 朱潔, 張茂才, 周壽增. 高性能燒結NdFeB磁體的制備技術[J]. 工程科學學報, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

引用本文:

包小倩, 李青華, 朱學新, 李成棟, 朱潔, 張茂才, 周壽增. 高性能燒結NdFeB磁體的制備技術[J]. 工程科學學報, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

BAO Xiaoqian, LI Qinghua, ZHU Xuexin, LI Chengdong, ZHU Jie, ZHANG Maocai, ZHOU Shouzeng. Improved processing techniques for high performance NdFeB magnets[J]. Chinese Journal of Engineering, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

Citation:

BAO Xiaoqian, LI Qinghua, ZHU Xuexin, LI Chengdong, ZHU Jie, ZHANG Maocai, ZHOU Shouzeng. Improved processing techniques for high performance NdFeB magnets[J]. Chinese Journal of Engineering, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

包小倩, 李青華, 朱學新, 李成棟, 朱潔, 張茂才, 周壽增. 高性能燒結NdFeB磁體的制備技術[J]. 工程科學學報, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

引用本文:

包小倩, 李青華, 朱學新, 李成棟, 朱潔, 張茂才, 周壽增. 高性能燒結NdFeB磁體的制備技術[J]. 工程科學學報, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

BAO Xiaoqian, LI Qinghua, ZHU Xuexin, LI Chengdong, ZHU Jie, ZHANG Maocai, ZHOU Shouzeng. Improved processing techniques for high performance NdFeB magnets[J]. Chinese Journal of Engineering, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

Citation:

BAO Xiaoqian, LI Qinghua, ZHU Xuexin, LI Chengdong, ZHU Jie, ZHANG Maocai, ZHOU Shouzeng. Improved processing techniques for high performance NdFeB magnets[J]. Chinese Journal of Engineering, 2006, 28(9): 850-853. doi: 10.13374/j.issn1001-053x.2006.09.010

高性能燒結NdFeB磁體的制備技術

doi: 10.13374/j.issn1001-053x.2006.09.010

1. 北京科技大學新金屬材料國家重點實驗室, 北京 100083;
2. 北京有色金屬研究總院國家有色金屬復合材料工程技術中心, 北京 100088

基金項目:

國家重點基礎研究發展規劃項目(No.G2000-67201-3)

作者簡介:
包小倩(1974-),女,講師,碩士

中圖分類號: TM273
計量
- 文章訪問數: 186
- HTML全文瀏覽量: 47
- PDF下載量: 10
- 被引次數: 0
出版歷程
- 收稿日期: 2005-06-08
- 修回日期: 2005-09-05
- 網絡出版日期: 2021-08-24

Improved processing techniques for high performance NdFeB magnets

1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;
2. Beijing General Research Institute for Nonferrous Metals, Beijing 100088, China

摘要: 采用鱗片鑄錠、氫爆加氣流磨制粉、脈沖場振動取向加橡皮模等靜壓成型等改進的技術在工業生產線上成功制造了N52高性能燒結NdFeB磁體.用X射線衍射儀、光學金相顯微鏡、透射電鏡和掃描電鏡研究了磁體的結構;用磁強自動記錄儀測量了磁體的退磁曲線.實驗結果表明,Nd29.0Pr_0.5Ga_0.2Fe_69.1Nb_0.2B_1.0磁體室溫磁性能達到B_r=1.457T,H_ci=1097kÅm^-1,(BH)_max=409kJ·m^-3,且磁體的均勻性和一致性較好.
- 燒結NDFEB磁體 /
- 鱗片鑄錠 /
- 氫爆 /
- 橡皮模等靜壓
Abstract: A high performance sintered NdFeB magnet with N52 was prepared by strip casting, hydrogen decrepitation, jet milling, rubber isostatic pressing with impulse magnetic field and vibrating. The structure of the magnet was investigated by XRD, optical microscope, TEM and SEM, and its demagnetization curve was tested by magnetograph. The results show that the room-temperature magnetic properties of the Nd_29.0Pr_0.5Ga_0.2Fe_69.1Nb_0.2B_1.0 magnet can reach up to B_r=1.457T,H_ci=1097kÅm^-1,(BH)_max=409kJ·m^-3, with a better homogeneity and consistency.
- sintered NdFeB magnets /
- strip casting /
- hydrogen decrepitation /
- rubber isostatic pressing

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文章訪問數: 186
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PDF下載量: 10
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