Electroactive Polymer Actuators and Devices (EAPAD) XXV 2023
DOI: 10.1117/12.2658231
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High-performance dielectric elastomer unimorph bending actuators without pre-stretch

Abstract: Dielectric elastomer (DE) single films for bending actuators are normally used with pre-stretch to increase the performance of the actuation. However, pre-stretch requires a high effort in the production of the actuators. In this work, a simple DE bending actuator in a unimorph configuration with high actuation performance is presented. For the manufacturing of the actuator, a silicone film is coated with conductive carbon nanoparticles in a silicone matrix as electrodes on both sides and laminated with a non-… Show more

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Cited by 3 publications
(2 citation statements)
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“…The quality of the results from calculations with the simple model was evaluated by a comparison with experimental data from measurements on two unimorph actuators. Details of the experimental investigations on the unimorph actuators can be found in [42]. The two actuators are based on a silicone DEA with a Young's modulus of 1 MPa, a length of 50 mm and a width of 30 mm.…”
Section: Model Evaluationmentioning
confidence: 99%
“…The quality of the results from calculations with the simple model was evaluated by a comparison with experimental data from measurements on two unimorph actuators. Details of the experimental investigations on the unimorph actuators can be found in [42]. The two actuators are based on a silicone DEA with a Young's modulus of 1 MPa, a length of 50 mm and a width of 30 mm.…”
Section: Model Evaluationmentioning
confidence: 99%
“…*Hans.Liebscher@tu-dresden.de; phone +49 351 463 38685; fax +49 351 463 32320; ife.et.tu-dresden.de With the emergence of novel alternative DE materials, as for instance polychloroprene rubber 5 , acrylonitrile-butadiene rubber 6 , hydrogenated acrylonitrile-butadiene rubber 7 , liquid isoprene rubber 8 , or polyurethane rubber 7,9 , there is also a strong interest in the influence of environmental conditions on these materials. Out of these materials, in particular polyurethane systems are already used for instance in bending actuators 10,11 or stacked DEAs 12 . It is also known that the dielectric constant and dielectric loss of polyurethanes are altered when the material is exposed to moisture 13,14 .…”
Section: Introductionmentioning
confidence: 99%