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Numerical and experimental approach for improving quasi-static and fatigue testing of a unidirectional CFRP composite laminate
Abstract : Mechanical response of CFRP unidirectional prepreg was investigated under tensile quasi-static and fatigue loading. Firstly, the findings of an initial investigation on the effects of the end tabs and gripping condition are presented. A dialogue between numerical simulations and experimental tests led to avoid premature splitting failures in the clamps. Proper tensile failure is assessed in the gage length, at enhanced strength levels for the material considered. Consequently, the unidirectional material was successfully tested under tension-tension fatigue, at high load levels. Fatigue damage mechanisms arise at high stress amplitude, revealing that also a UD laminate can suffer from fatigue degradation along the fibres direction.
Littérature citée [13 références]
https://hal-mines-paristech.archives-ouvertes.fr/hal-01758746
Contributeur : Bibliothèque Umr7633 <>
Soumis le : mercredi 4 avril 2018 - 17:23:01
Dernière modification le : mardi 21 juillet 2020 - 03:17:23
Contributeur : Bibliothèque Umr7633 <>
Soumis le : mercredi 4 avril 2018 - 17:23:01
Dernière modification le : mardi 21 juillet 2020 - 03:17:23
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