Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading

Atsushi Hosoi, K. Kurihara, N. Sato, Hiroyuki Kawada

    研究成果: Conference contribution

    1 引用 (Scopus)

    抄録

    The formation of a first transverse crack in cross-ply CFRP laminates was predicted under fatigue loading and the fatigue limit of transverse crack initiation was evaluated quantitatively. Transverse cracks induce more serious damage, such as delamination or fiber breakage. It is essential to understand the mechanism of the transverse crack initiation for improving long-term durability of CFRP laminates. Therefore, a method was proposed to predict the number of cycles to transverse crack initiation in cross-ply CFRP laminates under fatigue loading. Two types of cross-ply CFRP laminates, [0/90 6]s and [02/9012]s, of different thickness were used for fatigue tests. As the results, we were successful in predicting the number of cycles to transverse crack initiation under fatigue loading and evaluating the fatigue limit of the transverse crack initiation by the proposed analysis. Moreover, it was found that the fatigue life to transverse crack initiation in [0/906]s laminate was approximately 100 times longer than that in [02/90 12]s laminates.

    元の言語English
    ホスト出版物のタイトル8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today
    ページ173-178
    ページ数6
    1
    出版物ステータスPublished - 2012
    イベント8th Asian-Australasian Conference on Composite Materials 2012 - Composites: Enabling Tomorrow's Industry Today, ACCM 2012 - Kuala Lumpur
    継続期間: 2012 11 62012 11 8

    Other

    Other8th Asian-Australasian Conference on Composite Materials 2012 - Composites: Enabling Tomorrow's Industry Today, ACCM 2012
    Kuala Lumpur
    期間12/11/612/11/8

    Fingerprint

    Carbon fiber reinforced plastics
    Crack initiation
    Laminates
    Fatigue of materials
    Cracks
    carbon fiber reinforced plastic
    Delamination
    Durability
    Fibers

    ASJC Scopus subject areas

    • Ceramics and Composites

    これを引用

    Hosoi, A., Kurihara, K., Sato, N., & Kawada, H. (2012). Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading. : 8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today (巻 1, pp. 173-178)

    Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading. / Hosoi, Atsushi; Kurihara, K.; Sato, N.; Kawada, Hiroyuki.

    8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today. 巻 1 2012. p. 173-178.

    研究成果: Conference contribution

    Hosoi, A, Kurihara, K, Sato, N & Kawada, H 2012, Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading. : 8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today. 巻. 1, pp. 173-178, 8th Asian-Australasian Conference on Composite Materials 2012 - Composites: Enabling Tomorrow's Industry Today, ACCM 2012, Kuala Lumpur, 12/11/6.
    Hosoi A, Kurihara K, Sato N, Kawada H. Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading. : 8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today. 巻 1. 2012. p. 173-178
    Hosoi, Atsushi ; Kurihara, K. ; Sato, N. ; Kawada, Hiroyuki. / Prediction of first transverse crack formation in cross-ply CFRP laminates under fatigue loading. 8th Asian-Australasian Conference on Composite Materials 2012, ACCM 2012 - Composites: Enabling Tomorrow's Industry Today. 巻 1 2012. pp. 173-178
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    AB - The formation of a first transverse crack in cross-ply CFRP laminates was predicted under fatigue loading and the fatigue limit of transverse crack initiation was evaluated quantitatively. Transverse cracks induce more serious damage, such as delamination or fiber breakage. It is essential to understand the mechanism of the transverse crack initiation for improving long-term durability of CFRP laminates. Therefore, a method was proposed to predict the number of cycles to transverse crack initiation in cross-ply CFRP laminates under fatigue loading. Two types of cross-ply CFRP laminates, [0/90 6]s and [02/9012]s, of different thickness were used for fatigue tests. As the results, we were successful in predicting the number of cycles to transverse crack initiation under fatigue loading and evaluating the fatigue limit of the transverse crack initiation by the proposed analysis. Moreover, it was found that the fatigue life to transverse crack initiation in [0/906]s laminate was approximately 100 times longer than that in [02/90 12]s laminates.

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