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Etude comparative du comportement composites à matrice thermoplastique ou thermodurcissable

Abstract : This PhD thesis consists in a comparative study of the thermomechanical properties of woven plies composites with a thermoplastic (PEEK or PPS) or a thermosetting (epoxy) matrix. A literature review allowed the comparison between the behaviors of these laminates depending on the matrix nature, the stress state and the environmental conditions. An experimental study led to a database of the three materials for different mechanical loads (monotonic and structural tests) under specific environmental conditions (temperature and wet ageing). Bolted joints tests (single bolt single lap and double lap) have also been performed. A digital pictures correlation technique permitted to study the behavior of circular notched laminates. At last, a model of orthotropic elastoplastic behavior for woven plies laminates with a thermoplastic matrix has been implemented in the F.E. code cast3m and has been validated for different temperatures.
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Submitted on : Thursday, January 20, 2011 - 11:47:33 AM
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  • HAL Id : tel-00557897, version 1


Jérémie Aucher. Etude comparative du comportement composites à matrice thermoplastique ou thermodurcissable. Autre. INSA de Rouen, 2009. Français. ⟨NNT : 2009ISAM0012⟩. ⟨tel-00557897⟩



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