Improvement of Electric Field Induced Compressive Electrostriction of Polyurethane Composites Film Homogeneously Dispersed with Carbon Nanoparticles

Abstract : To obtain the high compressive electrostriction indicated by maximum strain (Smax) at low electric field (Emax), a dependence of solidification thickness on Smax was investigated for carbon nanoparticles dispersed polyurethane (PU) composite films. The thickness dependent Smax at 20 MV/m from 7.52% for 143 µm thickness to 47.7% for 21 µm thickness exhibited linear relationship, which was parallel to that of pure PU. Both thinning and nanoparticles addition enhanced the Smax within the linear relationship. Considering with crystalline volume fraction and crystalline periodicity, the thickness dependent Smax was explained. Effects of nanoparticles addition on Smax were probably contributed by the polarization enhancement induced by increasing the capacitance.
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Submitted on : Tuesday, May 2, 2017 - 11:24:50 AM
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Masae Kanda, Kaori Yuse, Benoit Guiffard, Laurent Lebrun, Yoshitake Nishi, et al.. Improvement of Electric Field Induced Compressive Electrostriction of Polyurethane Composites Film Homogeneously Dispersed with Carbon Nanoparticles. Materials Transactions, Nihon Kinzoku Gakkai, 2015, 56 (12), pp.2029-2033 ⟨10.2320/matertrans.M2015252⟩. ⟨hal-01516779⟩

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