We suggest a behavioual damage model. The model describes theprincipal phenomena observed in ceramic Matrix Composites, namely:initial anisotropy, induced anisotropy, in other words the ef- fectsof damage on the elastic behaviour, default evolution law, closureeffects in relation with residual strains. We have developed aformulation which allows to use damage variables both related tomicrocracks oriented by the constituents and microcracks oriented bythe lading.
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