Influence of the factors on thermal conductivity of carbonaceous fiber reinforced aluminum composites

Hisao Uozumi, Kota Nakanishi, Kentaro Inoue, Takayuki Tsukada, Nobuyuki Fuyama, Toshio Fujii, Makoto Yoshida

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    For improving the electrical efficiency of a hybrid car, relationship between microstructure and thermal properties of carbon nanotube, carbon fiber reinforced aluminum composites were examined as heat sink plate. In this study, influence of interfacial thermal resistance between fiber and binder, fiber diameter and binder volume fraction on thermal conductivity of the composites were examined. Firstly, in order to examine the effectivity for binding the fibers by the binder, the interfacial thermal resistance between fiber and binder was compared with that between fiber and matrix. In order to examine the influence of fiber diameter, the thermal conductivity of multi walled carbon nanotube preforms was compared with that of carbon fiber preforms. As the result, interfacial thermal resistance between fiber and binder was lower than that between fiber and matrix. Secondly, it was revealed that the larger fiber diameter leads to the higher thermal conductivity of the composite. Finally, the binder volume fraction was influenced by the microstructure so that the simply increasing and decreasing tendency was not found for thermal conductivity of the composites. By means of simulation for thermal conductivity, it was suggested that highly constricted fiber+binder part would deteriorate the thermal conductivity of the composites.

    Original languageEnglish
    Pages (from-to)562-568
    Number of pages7
    JournalKeikinzoku/Journal of Japan Institute of Light Metals
    Volume59
    Issue number10
    DOIs
    Publication statusPublished - 2009 Oct

    Fingerprint

    Aluminum
    Thermal conductivity
    Binders
    Fibers
    Composite materials
    Heat resistance
    Carbon Nanotubes
    Carbon fibers
    Volume fraction
    Carbon nanotubes
    Microstructure
    Heat sinks
    Railroad cars
    Thermodynamic properties

    Keywords

    • Aluminum
    • Carbon fiber
    • Carbon nanotube
    • Composite
    • Thermal conductivity

    ASJC Scopus subject areas

    • Materials Chemistry
    • Metals and Alloys
    • Mechanical Engineering
    • Mechanics of Materials

    Cite this

    Influence of the factors on thermal conductivity of carbonaceous fiber reinforced aluminum composites. / Uozumi, Hisao; Nakanishi, Kota; Inoue, Kentaro; Tsukada, Takayuki; Fuyama, Nobuyuki; Fujii, Toshio; Yoshida, Makoto.

    In: Keikinzoku/Journal of Japan Institute of Light Metals, Vol. 59, No. 10, 10.2009, p. 562-568.

    Research output: Contribution to journalArticle

    Uozumi, Hisao ; Nakanishi, Kota ; Inoue, Kentaro ; Tsukada, Takayuki ; Fuyama, Nobuyuki ; Fujii, Toshio ; Yoshida, Makoto. / Influence of the factors on thermal conductivity of carbonaceous fiber reinforced aluminum composites. In: Keikinzoku/Journal of Japan Institute of Light Metals. 2009 ; Vol. 59, No. 10. pp. 562-568.
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