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Imprégnation et transfert de tapis de Nanotubes de Carbone Alignés Verticalement sur du préimprégné

Abstract : Composite materials are widely used in some particular fields thanks to their lightness, their anti-corrosion ability and their mechanical features. Nevertheless, such materialshavetwo significant weaknesses:their minimal strength in thecomposite’s thickness direction and the interlaminar rupture risk in case of severesolicitations like impact. The presence of nanoconstituents can reinforce composite lengthwise in the thickness direction and improve the impact performance. This study deals with the introduction of Vertically Aligned Carbon NanoTubes (VACNTs) between prepreg composite layers. In order to verify the feasibility of the hybrid nano-structured composite manufacturing, we suggest an implementation process allowing to have an efficient transfer of VACNTs onto prepreg andto control the resin impregnation level while keeping the VACNTs’ initial ordered structure. After transfer and impregnation under different processconditions,the samples are prepared and observed by optical and scanning electron microscopy in order to determine the most favourableexperimental conditions.
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Submitted on : Thursday, December 26, 2019 - 2:12:45 PM
Last modification on : Wednesday, November 3, 2021 - 4:32:46 AM
Long-term archiving on: : Friday, March 27, 2020 - 2:32:43 PM


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  • HAL Id : hal-02424001, version 1


Anh Tuan Le, Philippe Olivier, Quentin Govignon, Alexandre Sangar, Pascal Boulanger, et al.. Imprégnation et transfert de tapis de Nanotubes de Carbone Alignés Verticalement sur du préimprégné. JNC 21 : Journées Nationales sur les Composites 2019, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Jul 2019, Bordeaux, Talence, France. 9 p. ⟨hal-02424001⟩



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