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Microwave absorption properties of lightweight and flexible carbon fiber/magnetic particle composites

机译：轻质和柔性碳纤维/磁性颗粒复合材料的微波吸收性能

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摘要

Hybridized-carbon-based materials with magnetic metals and oxides have attracted much attention because of their enhanced electromagnetic wave loss. In this study, magnetic particles were coated on the surface of carbon fibers by carbonizing in a nitrogen atmosphere. The morphology, structure, thermolysis, and wave-absorption performance of the carbon fiber/magnetic particle composite were determined. Results show that the in situ-formed magnetic particles (such as Fe3O4, NiFe2O4, CoFe2O4, and Ni3Fe) are uniformly dispersed along the carbon-based fibers, which exhibit different wave absorption. The absorption of the carbon fiber/magnetic particle composite can be controlled by adjusting the species and concentration of the magnetic particle coating, which provides a new and effective way of endowing the magnetic-particle-coated carbon fibers with good microwave absorption properties.
机译：由于其增强的电磁波损失，具有磁性金属和氧化物的杂交 - 碳基材料引起了很多关注。 在该研究中，通过在氮气氛中碳化在碳纤维表面上涂覆磁性颗粒。 确定了碳纤维/磁性颗粒复合物的形态，结构，热解和波浪吸收性能。 结果表明，沿着碳基纤维均匀地分散出原位形成的磁性颗粒（例如Fe3O4，NiFe2O4，CoFe 2 O 4和Ni3Fe），其表现出不同的波吸收。 可以通过调节磁性颗粒涂层的物种和浓度来控制碳纤维/磁性颗粒复合物的吸收，这为赋予具有良好微波吸收性能的磁性颗粒涂覆的碳纤维提供了一种新的和有效的方法。

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  • 来源
    《RSC Advances》 |2018年第44期|共7页
  • 作者

    Ye Wei; Li Wei; Sun Qilong; Yu Jin; Gao Qiang;

  • 作者单位

    Nantong Univ Natl &

    Local Joint Engn Res Ctr Tech Fiber Compos Nantong 226019 Peoples R China;

    Nantong Univ Natl &

    Local Joint Engn Res Ctr Tech Fiber Compos Nantong 226019 Peoples R China;

    Nantong Univ Natl &

    Local Joint Engn Res Ctr Tech Fiber Compos Nantong 226019 Peoples R China;

    Nantong Univ Natl &

    Local Joint Engn Res Ctr Tech Fiber Compos Nantong 226019 Peoples R China;

    Nantong Univ Natl &

    Local Joint Engn Res Ctr Tech Fiber Compos Nantong 226019 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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