Micromechanics of ferroelectric polymer-based electrostrictive composites Export

@article{citeulike:2138052, abstract = {Electrostriction refers to the strain induced in a dielectric by electric polarization, which is usually very small for practical application. In this paper, we present a micromechanical analysis on the effective electrostriction of a ferroelectric polyvinylidene fluoride trifluoroethylene [P(VDF-TrFE)] polymer-based composite, where the exact connections between the effective electrostrictive coefficients and effective elastic moduli are established, and numerical algorithm for the prediction of the effective electrostrictive coefficients of the composite in terms of its microstructural information is developed. From our calculations, enhanced electrostriction in the composite has been demonstrated, and optimal microstructure for electrostriction enhancement has been identified. Our analysis provides a mechanism for the electrostriction enhancement, where the electrostrictive strain several times higher than that of polymer matrix can be obtained, if the microstructure of the composites can be carefully tailored.}, author = {Li, Jiangyu and Rao, Nagadip}, citeulike-article-id = {2138052}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0022-5096(03)00117-0}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TXB-49JPKTK-2/2/fcf74ac8629d9b9bb84042814d671683}, doi = {10.1016/S0022-5096(03)00117-0}, journal = {Journal of the Mechanics and Physics of Solids}, keywords = {electrostriction}, month = {March}, number = {3}, pages = {591--615}, posted-at = {2007-12-17 19:56:53}, priority = {2}, title = {Micromechanics of ferroelectric polymer-based electrostrictive composites}, url = {http://dx.doi.org/10.1016/S0022-5096(03)00117-0}, volume = {52}, year = {2004} }

TY - JOUR ID - citeulike:2138052 L3 - citeulike-article-id:2138052 N2 - Electrostriction refers to the strain induced in a dielectric by electric polarization, which is usually very small for practical application. In this paper, we present a micromechanical analysis on the effective electrostriction of a ferroelectric polyvinylidene fluoride trifluoroethylene [P(VDF-TrFE)] polymer-based composite, where the exact connections between the effective electrostrictive coefficients and effective elastic moduli are established, and numerical algorithm for the prediction of the effective electrostrictive coefficients of the composite in terms of its microstructural information is developed. From our calculations, enhanced electrostriction in the composite has been demonstrated, and optimal microstructure for electrostriction enhancement has been identified. Our analysis provides a mechanism for the electrostriction enhancement, where the electrostrictive strain several times higher than that of polymer matrix can be obtained, if the microstructure of the composites can be carefully tailored. IS - 3 JF - Journal of the Mechanics and Physics of Solids EP - 615 TI - Micromechanics of ferroelectric polymer-based electrostrictive composites VL - 52 SP - 591 KW - electrostriction AU - Li, Jiangyu AU - Rao, Nagadip PY - 2004/03// UR - http://dx.doi.org/10.1016/S0022-5096(03)00117-0 ER -