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A Study of Electrostrictive Polymer(EP) Actuator Using Dielectric Elastomers  

황성덕 (성균관대학교 고분자공학과)
이경섭 (성균관대학교 고분자공학과)
김홍경 (고분자기술연구소)
최혁렬 (성균관대학교 기계공학과)
김훈모 (성균관대학교 기계공학과)
전재욱 (성균관대학교 전기전자컴퓨터공학과)
이영관 (성균관대학교 화학공학과)
남재도 (성균관대학교 고분자공학과)
Publication Information
Polymer(Korea) / v.26, no.1, 2002 , pp. 113-120 More about this Journal
Abstract
Electrostriction is the phenomenon that a material is strained due to Maxwell stress developed by the applied voltage. In many electrostrictive materials, especially polymeric elastomers can produce large deformation and force due to their low elastic modulus. In this study, polyurethanes and acrylic rubber with compliant electrodes were used as electrostrictive polymer(EP) actuator. Actuation characteristics of the EP actuators with different physical properties of dynamic modulus and dynamic dielectiric constant were analyzed under AC field. The classical laminate theory was also used to simulate the actuation process in relation to the geometry and the physical properties of the actuators.
Keywords
electrostrictive polymer; dielectric elastomer; unimorph actuator; dielectric constant; classical laminate theory;
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