Volume 28 Issue 9
Aug.  2021
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Abstract
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
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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

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  • Received Date: June 07, 2005
  • Revised Date: September 04, 2005
  • Available Online: August 23, 2021
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  • 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 Nd29.0Pr0.5Ga0.2Fe69.1Nb0.2B1.0 magnet can reach up to Br=1.457T,Hci=1097kÅm-1,(BH)max=409kJ·m-3, with a better homogeneity and consistency.
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