2001
DOI: 10.2516/ogst:2001046
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Développement d'un modèle de durabilité de poutres composites unidirectionnelles renforcées par des fibres de verre

Abstract: Résumé -Les interactions entre le vieillissement humide de composites unidirectionnels verre/époxy et leur tenue en fatigue par flexion sont ici abordées dans le cadre d'un modèle de durabilité fondé sur des notions de corrosion sous contrainte. L'étude est focalisée sur les stades initiaux de l'endommagement par fatigue, qui sont caractérisés par l'accumulation diffuse, à l'échelle microscopique, des ruptures diffé-rées des monofilaments de verre constituant le renfort. Ces processus sont décrits à l'aide d'u… Show more

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Cited by 4 publications
(7 citation statements)
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“…4.11) and the corresponding value of m (4.3 ± 0.15) is very consistent with that determined independently from the static fatigue experiments. This approach was found to provide a value of the parameter n that is consistent with that obtained from the analysis of static fatigue data (Pauchard et al 2001). Such a v-K curve can be obtained using the same procedure as that described in Section 4.3.2, since the stiffness loss data can be related to the amount of broken fi bre by relation [4.17].…”
Section: Static Fatigue Behaviour (R = 1)supporting
confidence: 54%
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“…4.11) and the corresponding value of m (4.3 ± 0.15) is very consistent with that determined independently from the static fatigue experiments. This approach was found to provide a value of the parameter n that is consistent with that obtained from the analysis of static fatigue data (Pauchard et al 2001). Such a v-K curve can be obtained using the same procedure as that described in Section 4.3.2, since the stiffness loss data can be related to the amount of broken fi bre by relation [4.17].…”
Section: Static Fatigue Behaviour (R = 1)supporting
confidence: 54%
“…As detailed in Pauchard et al (2001) and (2002a), these values can be determined from the in situ observation of composite specimens during both monotonic and static fatigue loading. As detailed in Pauchard et al (2001) and (2002a), these values can be determined from the in situ observation of composite specimens during both monotonic and static fatigue loading.…”
Section: 4mentioning
confidence: 99%
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