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Article Dans Une Revue Journal of Physics D: Applied Physics Année : 2008

A comparative analysis of dielectric, rheological and thermophysical behaviour of ethylene vinyl acetate/BaTiO3 composites

Résumé

Dielectric, rheological and thermal behaviours of ethylene vinyl acetate/barium titanate sphere (EVA/BaTiO3) composite materials were investigated in this work. Several composites were prepared for different volume concentrations (from 5% to 49%) and for two types of spheres sizes d: d = 9 µm and d = 105 µm. We show that the use of larger particles allows an increase of dielectric permittivity and thermal conductivity, particularly at high filler concentrations. A comparison between the thermal, dielectric and rheological behaviours of the composites is also reported in this paper. A linear dependence of the relative variation of thermal conductivity and dielectric permittivity, on the one hand, and thermal conductivity and Newtonian viscosity, on the other, was shown.

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Dates et versions

hal-00373575 , version 1 (06-04-2009)

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  • HAL Id : hal-00373575 , version 1

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Boudjemaa Agoudjil, Laurent Ibos, Yves Candau, Jean-Charles Majesté. A comparative analysis of dielectric, rheological and thermophysical behaviour of ethylene vinyl acetate/BaTiO3 composites. Journal of Physics D: Applied Physics, 2008, 41 (5), 055407 (7pp). ⟨hal-00373575⟩
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