Dielectric elastomer actuators with elastomeric electrodes


Bozlar, M. ; Punckt, C. ; Korkut, S. ; Zhu, J. ; Foo, C. C. ; Suo, Z. G. ; Aksay, I. A. Dielectric elastomer actuators with elastomeric electrodes. Applied Physics Letters 2012, 101.

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For many applications of dielectric elastomer actuators, it is desirable to replace the carbon-grease electrodes with stretchable, solid-state electrodes. Here, we attach thin layers of a conducting silicone elastomer to prestrained films of an acrylic dielectric elastomer and achieve voltage-actuated areal strains over 70%. The influence of the stiffness of the electrodes and the prestrain of the dielectric films is studied experimentally and theoretically. (C) 2012 American Institute of Physics.