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环氧树脂基碳纳米复合电磁屏蔽材料研究

李克训 马江将 张泽奎 马晨 贾琨 刘伟 张捷 李静 王东红

李克训, 马江将, 张泽奎, 等. 环氧树脂基碳纳米复合电磁屏蔽材料研究[J]. 强激光与粒子束, 2019, 31: 103204. doi: 10.11884/HPLPB201931.190102
引用本文: 李克训, 马江将, 张泽奎, 等. 环氧树脂基碳纳米复合电磁屏蔽材料研究[J]. 强激光与粒子束, 2019, 31: 103204. doi: 10.11884/HPLPB201931.190102
Li Kexun, Ma Jiangjiang, Zhang Zekui, et al. Study on epoxy resin-based carbon nanocomposite for electromagnetic shielding[J]. High Power Laser and Particle Beams, 2019, 31: 103204. doi: 10.11884/HPLPB201931.190102
Citation: Li Kexun, Ma Jiangjiang, Zhang Zekui, et al. Study on epoxy resin-based carbon nanocomposite for electromagnetic shielding[J]. High Power Laser and Particle Beams, 2019, 31: 103204. doi: 10.11884/HPLPB201931.190102

环氧树脂基碳纳米复合电磁屏蔽材料研究

doi: 10.11884/HPLPB201931.190102
基金项目: 

装备预研领域基金项目 61409220114

四川省军民技术再研发项目 zyf-2017-70

山西省自然科学基金项目 201701D121050

详细信息
    作者简介:

    李克训(1984-),男,高级工程师,主要从事电磁防护材料及技术研究;likexuncc@126.com

  • 中图分类号: TQ172; TU528

Study on epoxy resin-based carbon nanocomposite for electromagnetic shielding

  • 摘要: 基于碳纳米材料有序结构优异的结构与功能特点,研究了其在新型电磁防护材料中的应用,结合环氧树脂与碳纳米有序结构在电磁屏蔽效能和力学性能方面表现出的显著优势,论述了环氧树脂基碳纳米管复合电磁屏蔽材料和碳纳米管有序纳米结构研究,通过电磁仿真优化设计构筑三维导电网络结构,得出8~12 GHz电磁波段屏蔽效能≥82.96 dB的理想结构模型,为环氧树脂基碳纳米复合电磁屏蔽材料研究开发提供了指导,有利于该新型电磁屏蔽材料在国防、国民经济各领域的应用。
  • 图  1  原位法制备碳纳米管有序纳米结构

    Figure  1.  In-situ preparation of ordered nanostructures of carbon nanotubes

    图  2  非原位法制备碳纳米管有序纳米结构(电场、磁场和力场)

    Figure  2.  Ex situ preparation of ordered nanostructures of carbon nanotubes(electric, magnetic and force fields)

    图  3  碳纳米管及其有序纳米结构

    Figure  3.  Carbon nanotubes and their ordered nanostructures

    图  4  环氧树脂基电磁屏蔽材料屏蔽效能仿真分析图

    Figure  4.  Simulation diagram of shielding effectiveness (SE) of epoxy resin-based electromagnetic shielding materials

    图  5  碳纳米管理想结构模型

    Figure  5.  Ideal structural model of carbonnanotubes

    图  6  环氧树脂基电磁屏蔽材料理想结构模型

    Figure  6.  Ideal structural model of epoxy resin-based electromagnetic shielding materials

    表  1  环氧树脂基体中掺杂碳纳米管渗透阈值及导电性

    Table  1.   Permeation threshold and conductivity of doped carbon nanotubes in epoxy resin matrix

    No CNT types dispersivity length-diameter ratio percolation threshold/% σmax/(S·m-1)
    1 MWCNT/CVD non-entangled 200 0.0021 1×10-3/0.01%
    2 MWCNT/CVD non-entangled 340 0.0025 2×100/1%
    3 MWCNT/CVD non-entangled 1000 0.0025 4×10-1/0.5%
    4 SWCNT/Laser method entangled 400 0.01 5×10-3/0.4%
    5 MWCNT/CVD entangled 1000 0.024 3×10-1/1%
    6 MWCNT/CVD entangled 100 0.03 5×10-1/0.15%
    7 SWCNT/CVD / 1000 0.04 1×10-3/0.4%
    8 SWCNT/Arc method entangled 5000 0.074 1×10-3/0.2%
    9 DWCNT/CVD entangled 1000 0.15 1×10-2/0.6%
    10 MWCNT/CVD entangled 100 0.6 5×10-3/10%
    11 SWCNT/ Arc method entangled 1000 0.6 1×10-2/14%
    12 MWCNT/CVD / >500 0.7 5×100/4%
    13 MWCNT/CVD entangled 80 1.5 1×10-3/3%
    14 MWCNT/ Arc method entangled 100 4 1×10-3/16%
    15 MWCNT/CVD / >20 5 2×10-5/20%
    16 MWCNT/CVD / 20 5 1×10-5/8%
    下载: 导出CSV

    表  2  环氧树脂基电磁屏蔽材料屏蔽效能仿真计算结果

    Table  2.   Simulation results of shielding effectiveness of epoxy resin-based electromagnetic shielding materials

    No electronic conductivity/(S·m-1) thickness/mm square resistance/Ω layer number shielding effectiveness/dB
    1 2 50 / 0 ≥98.27
    2 300 3 / 0 ≥86.98
    3 2 3 5/5/5 3 ≥82.96
    4 2 10 4/4 2 ≥80.25
    5 2 3 4/6/8 3 ≥79.38
    6 2 3 8/6/4 3 ≥79.38
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-04-09
  • 修回日期:  2019-05-16
  • 刊出日期:  2019-10-15

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