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Durability of Composite Materials under Severe Temperature Conditions: Influence of Moisture Content and Prediction of Thermo-Mechanical Properties During a Fire

Institut de Recherche en Génie Civil et Mécanique (GeM) UMR CNRS 6183, Equipe Etat Mécanique et Microstructure des Matériaux (E3M), Université de Nantes, 58 rue Michel Ange, BP 420, 44606 Saint-Nazaire CEDEX, France
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J. Compos. Sci. 2019, 3(2), 55; https://doi.org/10.3390/jcs3020055
Received: 26 April 2019 / Revised: 20 May 2019 / Accepted: 24 May 2019 / Published: 1 June 2019
(This article belongs to the Special Issue Durability of Composites Under Severe Environmental Conditions)
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Abstract

The main objective of the present study was to develop a fire thermal model able to predict the evolution of the temperature and decomposition gradient across a laminated composite structure when exposed to fire. The thermal response of composite laminate made of organic polymer matrix was investigated under severe temperature conditions as samples were exposed to high temperatures up to 750 °C. The highlight is that a behavior law for water is included in our thermo-mechanical model to estimate effects due to a moisture content field on the thermal response of composite laminates. In particular, porosity and gas pressure are strongly influenced by the presence of water in the material and modify the thermal behavior accordingly. This enabled us to propose a new approach that can be used for the prediction of hygro-thermo-chemico-mechanical post-combustion properties in a very large number of material and fire scenarios. View Full-Text
Keywords: composite laminates; fire resistance; numerical modeling; properties prediction; extreme environment; moisture influence composite laminates; fire resistance; numerical modeling; properties prediction; extreme environment; moisture influence
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Márquez Costa, J.P.; Legrand, V.; Fréour, S. Durability of Composite Materials under Severe Temperature Conditions: Influence of Moisture Content and Prediction of Thermo-Mechanical Properties During a Fire. J. Compos. Sci. 2019, 3, 55.

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