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作者:

Geng, Z. W. (Geng, Z. W..) | Haseeb, M. (Haseeb, M..) | Quan, X. K. (Quan, X. K..) | Li, B. S. (Li, B. S..) | Liu, W. Q. (Liu, W. Q..) (学者:刘卫强) | Hu, G. H. (Hu, G. H..) | Sun, W. Q. (Sun, W. Q..) | Yue, M. (Yue, M..) (学者:岳明) | Liu, R. M. (Liu, R. M..)

收录:

EI SCIE

摘要:

The crystallographic alignment, microstructure and magnetic properties were studied for La0.6Ca0.6Sr0.1Fe12.4Co0.4O19 ferrite permanent magnets prepared with standard ceramic method. The effect of cold isostatic pressing (CIP) and sintering temperature on the structural and magnetic properties of the magnets were investigated. The CIP significantly improves the density of the green compact and final magnets, but undermines the crystallographic alignment of the magnets simultaneously. As a result, the remanence of the magnet achieves optimal value under the compromise between the increased density and the degraded alignment. Moreover, the coercivity of the magnet increases linearly with the increment of the CIP pressure due the fact that CIP processed samples bear more uniform and finer grains in favor of high coercivity. Under optimal CIP pressure and sintering temperature, the magnet obtains best magnetic properties of B-r of 0.439 T, H-cj of 396 kA m(-1), H-cb of 311 kA m(-1), and (BH)(max)of 35.8 kJ m(-3).

关键词:

cold isostatic pressing crystallographic alignment magnetic performance SrFe12O19 ferrite permanent magnets

作者机构:

  • [ 1 ] [Geng, Z. W.]Beijing Gen Res Inst Min & Met Technol, Beijing 102628, Peoples R China
  • [ 2 ] [Quan, X. K.]Beijing Gen Res Inst Min & Met Technol, Beijing 102628, Peoples R China
  • [ 3 ] [Li, B. S.]Beijing Gen Res Inst Min & Met Technol, Beijing 102628, Peoples R China
  • [ 4 ] [Hu, G. H.]Beijing Gen Res Inst Min & Met Technol, Beijing 102628, Peoples R China
  • [ 5 ] [Liu, R. M.]Beijing Gen Res Inst Min & Met Technol, Beijing 102628, Peoples R China
  • [ 6 ] [Haseeb, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
  • [ 7 ] [Liu, W. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
  • [ 8 ] [Sun, W. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
  • [ 9 ] [Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China

通讯作者信息:

  • 岳明

    [Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China

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来源 :

MATERIALS RESEARCH EXPRESS

年份: 2020

期: 4

卷: 7

2 . 3 0 0

JCR@2022

JCR分区:4

被引次数:

WoS核心集被引频次: 6

SCOPUS被引频次: 6

ESI高被引论文在榜: 0 展开所有

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