Electrostriction of a Polyurethane Elastomer-Based Polyester

@article{citeulike:1250729, abstract = {This paper is dealing with the electromechanical properties of a synthesized polyurethane elastomer film-based polyester. On the basis of the electrostatic-field induced strain, dielectric, and stress-strain measurements carried out under ambient conditions, the electromechanical parameters such as thickness strain, apparent electrostrictive coefficient, effective pressure, mechanical energy density, and Maxwell-effect contribution, were determined. Thickness strain versus the static electric field showed a quadratic dependence up to about 6.3 MV/m, which is consistent with an electrostrictive response. The maximum induced strain of 7\% obtained at 16 MV/m is higher than those reported in the literature on unprestrained polyurethane film with noncompliant electrodes. Remarkable apparent electrostrictive coefficient<tex>\$(sim 7.75 10^-16 hboxm^2/hboxV^2)\$</tex>and response time (600 ms) were found. Under the actual experimental conditions (rigid electrodes and maximum electrostatic field of 16 MV/m), the effective compressive pressure (0.9 MPa) and mechanical energy density (0.032<tex>\$hboxJ/cm^3\$</tex>) values are quite noticeable. A small Maxwell-effect contribution of only 0.32\% was found. The electromechanical parameters of this polyurethane elastomer indicate that this material is potentially useful for practical actuators and sensors.}, author = {Diaconu, I. and Dorohoi, D. O. and Topoliceanu, F. }, citeulike-article-id = {1250729}, journal = {Sensors Journal, IEEE}, keywords = {eap, electrostriction}, number = {4}, pages = {876--880}, posted-at = {2007-04-25 17:20:40}, priority = {2}, title = {Electrostriction of a Polyurethane Elastomer-Based Polyester}, url = {http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=1661566}, volume = {6}, year = {2006} }

TY - JOUR ID - citeulike:1250729 L3 - citeulike-article-id:1250729 TI - Electrostriction of a Polyurethane Elastomer-Based Polyester JF - Sensors Journal, IEEE VL - 6 IS - 4 SP - 876 EP - 880 N2 - This paper is dealing with the electromechanical properties of a synthesized polyurethane elastomer film-based polyester. On the basis of the electrostatic-field induced strain, dielectric, and stress-strain measurements carried out under ambient conditions, the electromechanical parameters such as thickness strain, apparent electrostrictive coefficient, effective pressure, mechanical energy density, and Maxwell-effect contribution, were determined. Thickness strain versus the static electric field showed a quadratic dependence up to about 6.3 MV/m, which is consistent with an electrostrictive response. The maximum induced strain of 7% obtained at 16 MV/m is higher than those reported in the literature on unprestrained polyurethane film with noncompliant electrodes. Remarkable apparent electrostrictive coefficient<tex>$(sim 7.75 10^-16 hboxm^2/hboxV^2)$</tex>and response time (600 ms) were found. Under the actual experimental conditions (rigid electrodes and maximum electrostatic field of 16 MV/m), the effective compressive pressure (0.9 MPa) and mechanical energy density (0.032<tex>$hboxJ/cm^3$</tex>) values are quite noticeable. A small Maxwell-effect contribution of only 0.32% was found. The electromechanical parameters of this polyurethane elastomer indicate that this material is potentially useful for practical actuators and sensors. KW - eap KW - electrostriction AU - Diaconu, I AU - Dorohoi, DO AU - Topoliceanu, F PY - 2006/// UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1661566 ER -