Linear actuation in coextruded dielectric elastomer tubes |
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Authors: | Colin G Jeffrey P Stephen Jason Jacob |
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Affiliation: | aDefence R&D Canada, Box 1012, Halifax, NS, Canada B2Y 2Z7;bBodycote Materials Testing Canada Inc., 2395 Speakman Drive Mississauga, ON, Canada L5K 1B3 |
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Abstract: | Cylindrical fibre actuators have been constructed by a coextrusion method using a thermoplastic polyurethane wall and a conductive grease filler. These actuators may be operated as single fibres or bundled together as actuating ropes. Key results include the validation of Carpi’s wall pressure model F. Carpi, D.D. Rossi, Dielectric elastomer cylindrical actuators: electromechanical modelling and experimental evaluation, Mater. Sci. Eng. C-Biomimetic Supramol. Syst. 24 (2004) 555–562] and the proof-of-concept demonstration of a technique that can be used for producing inexpensive dielectric elastomer actuators on an industrial scale. |
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Keywords: | Dielectric elastomer Tube Fibre actuators Coextrusion Rope |
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