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Anisotropic damage behavior of SiC/SiC composite tubes: Multiaxial testing and damage characterization

Fabien Bernachy-Barbe 1 Lionel Gelebart 1 Michel Bornert 2, 3 Jérôme Crépin 4 Cédric Sauder 1
1 SRMA - Service des Recherches Métallurgiques Appliquées
2 navier umr 8205 - Laboratoire Navier
3 multi-échelle - Modélisation et expérimentation multi-échelle pour les solides hétérogènes
navier umr 8205 - Laboratoire Navier
4 MAT - Centre des Matériaux
Abstract : The results of a large experimental campaign concerning the mechanical behavior of SiC/SiC composites tubes under uniaxial and biaxial loadings (both tension–torsion and tension-internal pressure) are presented. The anisotropy of the elastic moduli, damage onset and failure properties has been characterized. The orientation of matrix cracking was analyzed, based on surface observations, and its connection to the macroscopic stress–strain response provides important insight into the underlying deformation mechanisms. However, the macroscopic behavior still exhibits unexplained features, and mechanisms specific to the textile architecture are proposed.
Keywords : Mechanical testing Anisotropy Mechanical properties Ceramic-matrix composites (CMCs)
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01183363
Contributor : Bibliothèque Umr7633 <>
Submitted on : Friday, August 7, 2015 - 1:55:59 PM
Last modification on : Tuesday, December 8, 2020 - 10:21:04 AM

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ENSMP | ENSMP_MAT | PARISTECH | CNRS | INSTITUT-TELECOM | UR-NAVIER | IFSTTAR | CEA | ENPC | DEN | CEA-UPSAY | MULTI-ECHELLE | DEN-SACLAY | PSL

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Fabien Bernachy-Barbe, Lionel Gelebart, Michel Bornert, Jérôme Crépin, Cédric Sauder. Anisotropic damage behavior of SiC/SiC composite tubes: Multiaxial testing and damage characterization. Composites Part A: Applied Science and Manufacturing, Elsevier, 2015, 76, pp.281-288. ⟨10.1016/j.compositesa.2015.04.022⟩. ⟨hal-01183363⟩

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