Flexural properties, interlaminar shear strength and morphology of phenolic matrix composites reinforced with xGnP-coated carbon fibers

Jong Kyoo Park, Jae Yeol Lee, Lawrence T. Drzal, Donghwan Cho

    Research output: Research - peer-reviewArticle

    • 3 Citations

    Abstract

    In the present study, exfoliated graphite nanoplatelets (xGnP) with different particle sizes were coated onto polyacrylonitrile-based carbon fibers by a direct coating method. The flexural properties, interlaminar shear strength, and the morphology of the xGnP-coated carbon fiber/phenolic matrix composites were investigated in terms of their longitudinal flexural strength and modulus, interlaminar shear strength, and by optical and scanning electron microscopic observations. The results were compared with a phenolic matrix composite counterpart prepared without xGnP. The flexural properties and interlaminar shear strength of the xGnP-coated carbon fiber/phenolic matrix composites were found to be higher than those of the uncoated composite. The flexural and interlaminar shear strengths were affected by the particle size of the xGnP, while the particle size had no significant effect on the flexural modulus. It seems that the interfacial contacts between the xGnP-coated carbon fibers and the phenolic matrix play a role in enhancing the flexural strength as well as the interlaminar shear strength of the composites.

    LanguageEnglish (US)
    Pages33-38
    Number of pages6
    JournalCarbon Letters
    Volume17
    Issue number1
    DOIs
    StatePublished - Jan 1 2016

    Profile

    Shear strength
    Composite materials
    carbon fiber
    Carbon fibers
    Particle size
    Bending strength
    Graphite
    Scanning
    Coatings
    Electrons
    polyacrylonitrile
    Polyacrylonitriles

    Keywords

    • Carbon fiber composite
    • Exfoliated graphite nanoplatelet
    • Flexural property
    • Interlaminar shear strength
    • Phenolic

    ASJC Scopus subject areas

    • Ceramics and Composites
    • Renewable Energy, Sustainability and the Environment
    • Energy Engineering and Power Technology
    • Process Chemistry and Technology
    • Organic Chemistry
    • Inorganic Chemistry
    • Materials Chemistry

    Cite this

    Flexural properties, interlaminar shear strength and morphology of phenolic matrix composites reinforced with xGnP-coated carbon fibers. / Park, Jong Kyoo; Lee, Jae Yeol; Drzal, Lawrence T.; Cho, Donghwan.

    In: Carbon Letters, Vol. 17, No. 1, 01.01.2016, p. 33-38.

    Research output: Research - peer-reviewArticle

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