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首页> 外文期刊>Composite Structures >Anisotropic thermal conductivity of unidirectional natural abaca fiber composites as a function of lumen and cell wall structure
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Anisotropic thermal conductivity of unidirectional natural abaca fiber composites as a function of lumen and cell wall structure

机译：单向天然蕉麻纤维复合材料的各向异性热导率与内腔和细胞壁结构的关系

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摘要

The thermal conductivity of unidirectional abaca fiber-epoxy composites was measured by flash method, which is one of transient state ways based on laser, and studied in model. The results showed that the composites presented increasing longitudinal thermal conductivity but decreasing transverse one as increasing fiber content. The anisotropic thermal conduction properties of the unidirectional composites mainly depend on the lumen and cell wall structure of aligned abaca fiber. The dependency between them can be regulated by selecting suitable volume ratio of lumen to fiber {v) and thermal conductivity ratio of fiber cell wall to matrix (K_(fc⊥)/K_m in transverse direction and K_(fc⊥)/K_m in longitudinal direction). It was concluded that the natural fibers or probably other hollow fibers can be utilized to design unidirectional natural fiber composites with anisotropic thermal conduction properties.
机译：采用闪光法测量了单向蕉麻纤维-环氧树脂复合材料的导热系数，该方法是基于激光的瞬态方法之一，并进行了模型研究。结果表明，随着纤维含量的增加，复合材料的纵向导热系数增大，而横向导热系数减小。单向复合材料的各向异性导热性能主要取决于排列的蕉麻纤维的内腔和细胞壁结构。可以通过选择合适的管腔与纤维{v）的体积比和纤维胞壁与基质的热导率之比（横向K_（fc⊥）/ K_m和纵向K_（fc⊥）/ K_m来调节它们之间的依赖性。方向）。结论是，天然纤维或可能的其他中空纤维可用于设计具有各向异性导热性能的单向天然纤维复合材料。

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  • 来源
    《Composite Structures》 |2014年第2期|987-991|共5页
  • 作者

    Ke Liu; Zhimao Yang; Hitoshi Takagi;

  • 作者单位

    College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, Hubei, People's Republic of China;

    School of Science, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an 710049, ShaanXi, People's Republic of China;

    Institute of Technology and Science, The University of Tokushima, 2-1 Minamijosanjima-cho, Tokushima 770-8506, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Natural materials; Composites; Fibres and filaments; Thermal; Microstructure;

    机译：天然材料;复合材料;纤维和长丝;散热;微观结构;

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