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首页> 外文期刊>Journal of Materials Research >Comprehensive analysis on the electrical behavior of highly stretchable carbon nanotubes/polymer composite through numerical simulation
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Comprehensive analysis on the electrical behavior of highly stretchable carbon nanotubes/polymer composite through numerical simulation

机译：通过数值模拟全面分析高拉伸碳纳米管/聚合物复合材料的电学行为

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摘要

The elastic polymer composite embedded with carbon nanotubes (CNTs) is an ideal candidate for stretchable and flexible sensor fabrication due to the perfect combination between the excellent properties of CNTs and the high stretchability of the elastomer. A cube model of nanotube/polymer composite is constructed to comprehensively and theoretically analyze its electrical behavior, which is dominantly governed by the CNT network. The aspect ratio and alignment of CNTs significantly influence both the percolation threshold range and the electrical conductivity; however, the electrical conductivity of CNTs has little impact on the percolation threshold. The piezoresistivity of the composite is not only governed by the property of CNTs but also by the mechanical property of the polymer matrix, including the Poisson's ratio and alignment of CNTs. The specific reasons why the composite resistance rises when it is stretched are investigated. Finally, one optimizing suggestion is given for making the CNTs/polymer composite with high sensitivity.
机译：嵌入碳纳米管（CNT）的弹性聚合物复合材料是CNT优异性能和弹性体的高拉伸性之间的完美结合，是可拉伸和柔性传感器制造的理想选择。构建了纳米管/聚合物复合材料的立方模型，以全面和理论上分析其电行为，该行为主要由CNT网络支配。碳纳米管的纵横比和排列方式会显着影响渗滤阈值范围和电导率。然而，CNT的电导率对渗透阈值几乎没有影响。复合材料的压阻率不仅取决于CNT的性能，还取决于聚合物基体的机械性能，包括泊松比和CNT的排列。研究了复合电阻在拉伸时会升高的具体原因。最后，提出了一种优化建议，使碳纳米管/聚合物复合材料具有较高的灵敏度。

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  • 来源
    《Journal of Materials Research》 |2018年第20期|3398-3407|共10页
  • 作者

    Fu Xiang; Al-Jumaily Ahmed M.; Ramos Maximiano; Chen Yi-Feng;

  • 作者单位

    Auckland Univ Technol, Inst Biomed Technol, Auckland 1010, New Zealand;

    Auckland Univ Technol, Inst Biomed Technol, Auckland 1010, New Zealand;

    Auckland Univ Technol, Inst Biomed Technol, Auckland 1010, New Zealand;

    Wuhan Univ Technol, Sch Informat Engn, Wuhan 430070, Hubei, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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