Transverse crack growth behavior considering free-edge effect in quasi-isotropic CFRP laminates under high-cycle fatigue loading

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    25 Citations (Scopus)

    Abstract

    The high-cycle fatigue characteristics focused on the behavior of the transverse crack growth up to 108 cycles were investigated using quasi-isotropic carbon fiber reinforced plastic (CFRP) laminates whose stacking sequence was [-45/0/45/90]s. To assess the fatigue behavior in the high-cycle region, fatigue tests were conducted at a frequency of 100 Hz in addition to 5 Hz. In this study, to evaluate quantitative characteristics of the transverse crack growth in the high-cycle region, the energy release rate considering the free-edge effect was calculated. Transverse crack growth behavior was evaluated based on a modified Paris law approach. The results revealed that transverse crack growth was delayed under the test conditions of the applied stress level of σmaxb = 0.2.

    Original languageEnglish
    Pages (from-to)1388-1393
    Number of pages6
    JournalComposites Science and Technology
    Volume69
    Issue number9
    DOIs
    Publication statusPublished - 2009 Jul

    Fingerprint

    Plastic laminates
    Carbon fiber reinforced plastics
    Crack propagation
    Fatigue of materials
    Energy release rate
    carbon fiber reinforced plastic

    Keywords

    • B. Durability
    • B. Fatigue
    • C. Stress concentration
    • C. Transverse cracking

    ASJC Scopus subject areas

    • Engineering(all)
    • Ceramics and Composites

    Cite this

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    title = "Transverse crack growth behavior considering free-edge effect in quasi-isotropic CFRP laminates under high-cycle fatigue loading",
    abstract = "The high-cycle fatigue characteristics focused on the behavior of the transverse crack growth up to 108 cycles were investigated using quasi-isotropic carbon fiber reinforced plastic (CFRP) laminates whose stacking sequence was [-45/0/45/90]s. To assess the fatigue behavior in the high-cycle region, fatigue tests were conducted at a frequency of 100 Hz in addition to 5 Hz. In this study, to evaluate quantitative characteristics of the transverse crack growth in the high-cycle region, the energy release rate considering the free-edge effect was calculated. Transverse crack growth behavior was evaluated based on a modified Paris law approach. The results revealed that transverse crack growth was delayed under the test conditions of the applied stress level of σmax/σb = 0.2.",
    keywords = "B. Durability, B. Fatigue, C. Stress concentration, C. Transverse cracking",
    author = "Atsushi Hosoi and Yoshihiko Arao and Hiroyuki Kawada",
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    language = "English",
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    TY - JOUR

    T1 - Transverse crack growth behavior considering free-edge effect in quasi-isotropic CFRP laminates under high-cycle fatigue loading

    AU - Hosoi, Atsushi

    AU - Arao, Yoshihiko

    AU - Kawada, Hiroyuki

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    N2 - The high-cycle fatigue characteristics focused on the behavior of the transverse crack growth up to 108 cycles were investigated using quasi-isotropic carbon fiber reinforced plastic (CFRP) laminates whose stacking sequence was [-45/0/45/90]s. To assess the fatigue behavior in the high-cycle region, fatigue tests were conducted at a frequency of 100 Hz in addition to 5 Hz. In this study, to evaluate quantitative characteristics of the transverse crack growth in the high-cycle region, the energy release rate considering the free-edge effect was calculated. Transverse crack growth behavior was evaluated based on a modified Paris law approach. The results revealed that transverse crack growth was delayed under the test conditions of the applied stress level of σmax/σb = 0.2.

    AB - The high-cycle fatigue characteristics focused on the behavior of the transverse crack growth up to 108 cycles were investigated using quasi-isotropic carbon fiber reinforced plastic (CFRP) laminates whose stacking sequence was [-45/0/45/90]s. To assess the fatigue behavior in the high-cycle region, fatigue tests were conducted at a frequency of 100 Hz in addition to 5 Hz. In this study, to evaluate quantitative characteristics of the transverse crack growth in the high-cycle region, the energy release rate considering the free-edge effect was calculated. Transverse crack growth behavior was evaluated based on a modified Paris law approach. The results revealed that transverse crack growth was delayed under the test conditions of the applied stress level of σmax/σb = 0.2.

    KW - B. Durability

    KW - B. Fatigue

    KW - C. Stress concentration

    KW - C. Transverse cracking

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