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Author:

李保卫 (李保卫.) | 李永利 (李永利.) | 岳明 (岳明.) (Scholars:岳明) | 张久兴 (张久兴.)

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Abstract:

用超声化学法制备纳米Fe颗粒包覆的Nd2Fe14B复合粉体,将其在Ar气保护下经放电等离子烧结(SPS),得到Nd2Fe14B/α-Fe纳米晶复合磁体.Fe名义质量分数为5%的烧结磁体具有较高的磁性能:Br=0.86 T,Hci=683.8 kA/m,(BH)max=95.92 kJ/m3.烧结前对复合粉末进行适当的高能球磨,能促进显微组织进一步细化,增强软磁相与硬磁相之间的交换耦合,使相同Fe含量和烧结工艺的磁体Br和(BH)max分别提高到0.94 T和113.6 kJ/m3.

Keyword:

Nd-Fe-B 超声化学 纳米复合磁体 金属材料 包覆 SPS

Author Community:

  • [ 1 ] [李保卫]北京工业大学
  • [ 2 ] [李永利]北京工业大学
  • [ 3 ] [岳明]北京工业大学
  • [ 4 ] [张久兴]北京工业大学

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Source :

材料研究学报

ISSN: 1005-3093

Year: 2007

Issue: 3

Volume: 21

Page: 319-323

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 9

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