Modification of the interface in carbon nanotube-grafted t-glass fiber

Hiroyuki Kawada, S. Sato, M. Kameya

    研究成果: Conference contribution

    抄録

    In recent years, carbon nanotubes (CNTs) have attracted a lot of interest as an additional component in fiber reinforced plastics (FRP) to improve the properties of the fiber/matrix interface. An improvement of the apparent interfacial shear strength (ISS) was achieved by grafting CNTs onto reinforcement fibers instead of dispersing CNTs in the matrix. In one study, composites containing CNT-grafted fibers and epoxy resin demonstrated 26% ISS improvement over the baseline composites. However, few studies are focused on glass fibers, due to their low heat resistance. In this study, the effects of grafting CNTs onto T-glass fibers were evaluated by investigating the mechanical and interfacial properties of the CNT-grafted fiber/epoxy resin model composites. Elastic shear-lag analysis was also used to investigate the effect of CNTs on ISS. We used the chemical vapor deposition (CVD) method to graft CNTs onto T-glass fibers. As a result, CNTs were grafted relatively uniformly and cylindrically onto the fibers, which indicates that the CNT-grafting process was appropriate. The CNT-grafted fiber/epoxy resin model composites showed a significant (46~67%) increase of interfacial shear strength. The formation of an interfacial region containing CNTs was observed around each fiber. Elastic shear-lag analysis showed a 20% increase of ISS. Those results imply that the elastic modulus of the interfacial region around the fibers was higher than that of epoxy resin.

    元の言語English
    ホスト出版物のタイトルASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
    ページ1437-1445
    ページ数9
    3
    エディションPARTS A, B, AND C
    DOI
    出版物ステータスPublished - 2012
    イベントASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 - Houston, TX
    継続期間: 2012 11 92012 11 15

    Other

    OtherASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
    Houston, TX
    期間12/11/912/11/15

    Fingerprint

    Glass fibers
    Carbon nanotubes
    Shear strength
    Fibers
    Epoxy resins
    Composite materials
    Fiber reinforced plastics
    Fiber reinforced materials
    Heat resistance
    Grafts
    Chemical vapor deposition
    Elastic moduli

    ASJC Scopus subject areas

    • Mechanical Engineering

    これを引用

    Kawada, H., Sato, S., & Kameya, M. (2012). Modification of the interface in carbon nanotube-grafted t-glass fiber. : ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE) (PARTS A, B, AND C 版, 巻 3, pp. 1437-1445) https://doi.org/10.1115/IMECE2012-89318

    Modification of the interface in carbon nanotube-grafted t-glass fiber. / Kawada, Hiroyuki; Sato, S.; Kameya, M.

    ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). 巻 3 PARTS A, B, AND C. 編 2012. p. 1437-1445.

    研究成果: Conference contribution

    Kawada, H, Sato, S & Kameya, M 2012, Modification of the interface in carbon nanotube-grafted t-glass fiber. : ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). PARTS A, B, AND C Edn, 巻. 3, pp. 1437-1445, ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012, Houston, TX, 12/11/9. https://doi.org/10.1115/IMECE2012-89318
    Kawada H, Sato S, Kameya M. Modification of the interface in carbon nanotube-grafted t-glass fiber. : ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). PARTS A, B, AND C 版 巻 3. 2012. p. 1437-1445 https://doi.org/10.1115/IMECE2012-89318
    Kawada, Hiroyuki ; Sato, S. ; Kameya, M. / Modification of the interface in carbon nanotube-grafted t-glass fiber. ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). 巻 3 PARTS A, B, AND C. 版 2012. pp. 1437-1445
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