Electromagnetic wave absorption properties of mechanically mixed Nd(2)Fe(14)B/C microparticles
文献类型：期刊论文
| 作者 | X. G. Liu ; S. W. Or ; S. L. Ho ; D. Y. Geng ; Z. G. Xie ; H. Wang ; Z. D. Zhang |
| 刊名 | Journal of Alloys and Compounds
 |
| 出版日期 | 2011 |
| 卷号 | 509期号:6页码:2929-2932 |
| 关键词 | Carbon Complex permeability Complex permittivity Electromagnetic wave absorption Nd(2)Fe(14)B Reflection loss microwave-absorption magnetic-properties nanocapsules nanocomposites composites range iron |
| ISSN号 | 0925-8388 |
| 中文摘要 | Nd(2)Fe(14)B/C microparticles were prepared by a mechanical mixing technique using a weight ratio of 2:1. Paraffin-bonded Nd(2)Fe(14)B/C composites were fabricated using 40 wt% microparticles, and their electromagnetic wave absorption properties were studied and compared with those of the paraffin-bonded Nd(2)Fe(14)B composites in the 2-18 GHz frequency range and for 1-5 mm thickness. The Nd(2)Fe(14)B/C-paraffin composites exhibit dual dielectric resonance in complex relative permittivity (epsilon(r)) and essentially flat response in complex relative permeability (mu(r)) rather than showing an abrupt change in both epsilon(r) and mu(r) as in the Nd(2)Fe(14)B-paraffin composites. The results are ascribed to the increased electrical resistivity in the Nd(2)Fe(14)B/C-paraffin composites and the protection on the magnetic properties of the Nd(2)Fe(14)B microparticles at 2-18 GHz by the presence of the C phase. Large reflection loss (RL) exceeding -10 dB and an optimal RL of -13.2 dB are achieved in the Nd(2)Fe(14)B/C-paraffin composites from 9.6 to 18 GHz at a thickness of 1.4-2.6 mm and at 18 GHz at a thickness of 1.4 mm, respectively. (C) 2010 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/30546]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | X. G. Liu,S. W. Or,S. L. Ho,et al. Electromagnetic wave absorption properties of mechanically mixed Nd(2)Fe(14)B/C microparticles[J]. Journal of Alloys and Compounds,2011,509(6):2929-2932. |
| APA | X. G. Liu.,S. W. Or.,S. L. Ho.,D. Y. Geng.,Z. G. Xie.,...&Z. D. Zhang.(2011).Electromagnetic wave absorption properties of mechanically mixed Nd(2)Fe(14)B/C microparticles.Journal of Alloys and Compounds,509(6),2929-2932. |
| MLA | X. G. Liu,et al."Electromagnetic wave absorption properties of mechanically mixed Nd(2)Fe(14)B/C microparticles".Journal of Alloys and Compounds 509.6(2011):2929-2932. |
入库方式： OAI收割
来源：金属研究所
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