Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4865200
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Funding
- Natural Science Foundation of China [61025002, 11072185, 11372239, 11321062]
- NSF MRSEC [DMR-0820484]
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Hydrogels containing electrolyte can work as ionic conductors to actuate dielectric elastomer (DE) artificial muscles. Based on a popular design of a circular actuator, we study theoretically and experimentally the cyclic performance of acrylic DE actuators with solid hydrogel electrodes. The viscoelasticity of solid electrodes constrains the maximum strain that is attainable for one cycle of triangular voltage, and it also diminishes the accumulated increment of the maximum strain after many cycles of loadings. (C) 2014 AIP Publishing LLC.
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