New hybrid polymer nanocomposites for passive vibration damping by incorporation of carbon nanotubes and lead zirconate titanate particles

Delphine Carponcin 1 Eric Dantras 2 Guilhem Michon 3 Jany Dandurand 2 Gwenaëlle Aridon 4 Franck Levallois 4 Laurent Cadiergues 5 Colette Lacabanne 2
1 IRT Saint Exupéry - Institut de Recherche Technologique
2 CIRIMAT - Centre interuniversitaire de recherche et d'ingenierie des matériaux
3 ICA - Institut Clément Ader
4 Airbus Defense and Space
5 CNES - Centre National d'Études Spatiales [Toulouse]
Abstract : A new hybrid nanocomposite for vibration damping has been elaborated. Ferroelectric lead zirconate titanate particles and carbon nanotubes are dispersed simultaneously in an engineering semi-crystalline thermoplastic matrix by an extrusion processing. Ferroelectric particles have been made piezoelectric once incorporated into the polymer matrix through a poling step. The dynamic response of nanocomposites has been characterized by dynamic mechanical analysis and vibration test. The shear mechanical modulus exhibits an increase of the conservative and dissipative components after the poling step of nanocomposites. By vibration test, the first bending mode of the frequency response function has been followed and a significant damping inherent to poling is also recorded. These evolutions are heightened by the use of two constrained elastic layers. For the first time, a synergy between poled piezoelectric particles responsible for the transduction phenomena and conductive particles allowing a local dissipation of electric charges has been revealed by two complementary techniques for the improvement of the polymer damping.
Keywords : Polymer based hybrid nanocomposites Vibration damping Transduction–dissipation mechanism Vibration test Dynamic mechanical analysis
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CNRS | INC-CNRS | IRT_SAINT-EXUPERY | INSA-TOULOUSE | ICA | INSA-GROUPE | UNIV-TLSE3

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Delphine Carponcin, Eric Dantras, Guilhem Michon, Jany Dandurand, Gwenaëlle Aridon, et al.. New hybrid polymer nanocomposites for passive vibration damping by incorporation of carbon nanotubes and lead zirconate titanate particles. Journal of Non-Crystalline Solids, Elsevier, 2015, vol. 409, pp. 20-26. ⟨10.1016/j.jnoncrysol.2014.11.008⟩. ⟨hal-01139252⟩

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