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Design of accelerated hygrothermal cycles on polymer matrix composites in the case of a supersonic aircraft

Abstract : The paper is related to a supersonic transportation application where polymer matrix composites utilized in primary structures are subjected to particular hygrothermal flight-cycles. In fact, the particular point in this study is the drying effect of supersonic flight at high temperature, around 130 °C, on the durability of the material. This phenomenon constitutes an entirely new situation for these materials in contrast with a classical subsonic flight at low temperature. The supersonic aircraft is supposed to be subjected to a succession of supersonic flight-cycles followed by a periodic maintenance operation. The objective of the study is first to characterize the in-service material state during the supersonic flight cycles and after the maintenance operations. Then, the challenge is to define the material geometry and environmental conditions to meet the in-service material state in short time. Thus, different accelerated cycles adapted to the new situation of supersonic flights, i.e. focusing on the cyclical drying of the material, are proposed.
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https://hal-emse.ccsd.cnrs.fr/emse-00505839
Contributor : Pierre Charles Pinoli <>
Submitted on : Monday, July 26, 2010 - 1:08:05 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:17 PM

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Jihed Jedidi, Frédéric Jacquemin, Alain Vautrin. Design of accelerated hygrothermal cycles on polymer matrix composites in the case of a supersonic aircraft. Composite Structures, Elsevier, 2005, 68 (4), pp.429-437. ⟨10.1016/j.compstruct.2004.04.009⟩. ⟨emse-00505839⟩

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