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  • 标题:Novel multilayer composite of conductive fiber for enhancement of the parameters electromagnetic interference shielding
  • 本地全文:下载
  • 作者:Tahar MERIZGUI ; Abdechafik HADJADJ ; Mecheri KIOUS
  • 期刊名称:Leonardo Electronic Journal of Practices and Technologies
  • 印刷版ISSN:1583-1078
  • 出版年度:2018
  • 卷号:17
  • 期号:33
  • 页码:123-138
  • 出版社:Academic Direct Publishing House
  • 摘要:

    In this work, we propose a new multilayer arrangement structure based on the composite materials in order to improve the shielding efficiency of materials. The structure was built from alternating composite (fiber of copper) embedded dielectric (silicon) layers, this dielectric layers are sandwiched between composite films to get a symmetrical structure that absorbed the electromagnetic waves from its both direction. From the obtained results of reflection, and the total shielding effectiveness mechanisms, the multi-layered proposed in this paper is a better than the monolayer composite in the frequency range from 1 to 10 GHz under the near field regime. The smart stacking of this multilayer structure can improve the shielding effectiveness of materials due to its mismatched impedances (dielectric permittivity, electrical conductivity, and permeability) which increase the multiple reflection mechanism. Another advantages presented by the proposed multi-layered structure are the efficiency and the lightweight that make it an interesting material in shielding applications.

  • 关键词:Lightweight design; Composite; Electromagnetic interference shielding; Electrical proprieties; Copper fibers
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