G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/04 (2006.01) G01N 27/20 (2006.01)
Patent
CA 2586451
A composite material provided with a damage detection system, the composite material comprising a fibre-reinforced polymeric matrix, wherein the fibre reinforcement comprises electrically conductive fibres and the polymeric matrix comprises a thermosetting polymer and a thermoplastic polymer, and wherein detection means are provided detect a change in resistance of the composite material, said change in resistance indicating the presence of at least one damaged area of the composite material, said detection means comprising a plurality of spaced apart electrodes mounted on an electrically insulating substrate and electrically connected to the electrically conducting fibres.
L'invention porte sur un matériau composite pourvu d'un système de détection des dommages, et comportant une matrice de polymères renforcée de fibres. Le renfort est fait de fibres conductrices, et la matrice comprend un polymère thermodurcissable et un polymère thermoplastique. Le moyen de détection, qui détecte une variation de la résistance du matériau composite indiquant la présence d'au moins une partie endommagée dudit matériau, comporte plusieurs électrodes espacées montées sur un substrat isolant électriquement et relié électriquement aux fibres conductrices.
Hayes Simon
Jones Frank
Gowling Lafleur Henderson Llp
The University Of Sheffield
LandOfFree
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