Toward a virtual material for lifetime prediction of CMCs

Abstract : A first version of a multi­scale, multi­physic & hybrid model –called virtual material– for predictions on Self­Healing Ceramic Matrix Composite's (CMCs) lifetime is presented. The model has a mechanical and a chemical part, which are presented here in their actual state of development. The mechanical part provides precise data for the chemical models through an hybrid –melting continuum damage macro­ model & discrete crack surfaces– representation of the morphology of the crack network at yarn scale. The chemical part should provide predictions on the structure's lifetime using a model of the self­healing process, not yet achieved then not presented here, and a model of fiber sub­critical failure under mechanical and chemical load.
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  • HAL Id : hal-01274810, version 1
  • ARXIV : 1602.06139

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Martin Genet, Pierre Ladevèze, Gilles Lubineau, Emmanuel Baranger, A Mouret. Toward a virtual material for lifetime prediction of CMCs. 13th European Conference on Composites Materials, Jun 2008, Stockholm, Sweden. ⟨hal-01274810⟩

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