Dégradation de matériaux composites dans un environment marin: Nouveaux materiaux et methodes d'essais

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Contributeur(s) Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1992
Identifiant documentaire 9-1064
Identifiant OAI oai:archimer.ifremer.fr:1064
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Auteur(s): Pomies, F,Carlsson, L,Choqueuse, Dominique,Davies, Peter
Mots clés Fractures Vibration Epoxy resins Tests Materials testing Mechanical properties Ultrasonics Moisture Ship technology Composite materials Mécanique de la rupture Vibration Ultrasonique Thermoplastique Epoxyde Humidité
Date de publication 01/12/1992
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Langue fre
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Droits de réutilisation info:eu-repo/semantics/openAccess

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The change in composite material properties when these are exposed to a marine environment is of considerable importance to both designers and users of these materials. In this paper new materials are first studied, composites composed of a glass fibre reinforced thermoplastic PPS matrix. It is shown that their poor interfacial resistance to moisture ingress compromises severely the advantage of using a matrix which does not absorb moisture. In the second part of the paper the application of two non-destructive test techniques for following damage development, based on ultrasonic wave propagation and vibration (modal) analysis, are described. These are complemented by first results from a study using fracture mechanics tests to characterise delamination resistance.
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