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Predicting the behavior of graphite/epoxy laminates under hydrothermal loads

Didierjean, Sébastien and Michel, Laurent and Barrau, Jean-Jacques and Paroissien, Eric Predicting the behavior of graphite/epoxy laminates under hydrothermal loads. (2003) In: EUROMECH 453 Internal Stresses in Polymer Composite Processing and Service Life, 01-03 Dec 2003, Saint-Etienne, France .

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Abstract

The purpose of this article is to determine the effect of moisture concentration on the mechanical behaviour of the elementary ply of a composite laminate. Fibres being considered as insensitive to hydrothermal ageing it was chosen to characterize the evolution of the epoxy matrix Young Modulus (Em) as a function of the moisture concentration (c). A series of tests were performed at several temperatures and moisture contents to determine the mechanical characteristics of an elementary ply (El, Et, nlt and Glt). Then through classical micromechanical models the evolution of Em is obtained by inverse indentification.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Ecole des Mines d'Albi-Carmaux - EMAC
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > EADS - Astrium (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA
Laboratory name:
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Deposited By: Laurent MICHEL

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