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作者:

Zhang, D. T. (Zhang, D. T..) (学者:张东涛) | Geng, W. T. (Geng, W. T..) | Yue, M. (Yue, M..) (学者:岳明) | Liu, W. Q. (Liu, W. Q..) (学者:刘卫强) | Lu, Q. M. (Lu, Q. M..) | Zhang, J. X. (Zhang, J. X..) | Guo, Z. H. (Guo, Z. H..) | Li, W. (Li, W..) | Sundararajan, J. A. (Sundararajan, J. A..) | Qiang, Y. (Qiang, Y..)

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摘要:

Anisotropic MnBi/SmFeN (MnBi = 0, 20, 40, 60, 80, and 100 wt. %) hybrid bonded magnets were prepared using MnBi powders and commercial SmFeN powders. With the increase in MnBi content from 0 to 100 wt. %, the density of the hybrid magnets improves linearly from 4.27 g/cm(3) to 6.3 g/cm(3), while the coercivity of the hybrid magnets does not change much at 293 K. For the pure MnBi magnet, the coercivity is increased from 10.76 kOe at 293K to 16.5 kOe at 373 K. For the hybrid magnet with 40 wt. % MnBi, the coercivity is increased by 19% compared to pure SmFeN magnet at 373 K. In the temperature range of 293 K-373 K, the coercivity temperature coefficient of the hybrid magnets changes gradually from -0.42%/K for the pure SmFeN magnet to -0.11%/K for the magnet with 80 wt. % MnBi, and becomes 0.67%/K for the pure MnBi magnet. (C) 2014 AIP Publishing LLC.

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作者机构:

  • [ 1 ] [Zhang, D. T.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Geng, W. T.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, W. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Lu, Q. M.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, J. X.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Guo, Z. H.]Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
  • [ 8 ] [Li, W.]Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
  • [ 9 ] [Sundararajan, J. A.]Univ Idaho, Dept Phys, Moscow, ID 83844 USA
  • [ 10 ] [Qiang, Y.]Univ Idaho, Dept Phys, Moscow, ID 83844 USA

通讯作者信息:

  • 张东涛

    [Zhang, D. T.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF APPLIED PHYSICS

ISSN: 0021-8979

年份: 2014

期: 17

卷: 115

3 . 2 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:151

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 12

SCOPUS被引频次: 17

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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