Large, Uni-directional Actuation in Dielectric Elastomers Achieved By Fiber Stiffening

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Large, Uni-directional Actuation in Dielectric Elastomers Achieved By Fiber Stiffening

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Title: Large, Uni-directional Actuation in Dielectric Elastomers Achieved By Fiber Stiffening
Author: Clarke, David R.; Huang, Jiangshui; Zhu, Jian; Suo, Zhigang

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Citation: Huang, Jiangshui, Tongqing Lu, Jian Zhu, David R. Clarke, and Zhigang Suo. 2012. Large, uni-directional actuation in dielectric elastomers achieved by fiber stiffening. Applied Physics Letters 100(21): 211901.
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Abstract: Cylindrical actuators are made with dielectric elastomer sheets stiffened with fibers in the hoop direction. When a voltage is applied through the thickness of the sheets, large actuation strains are achievable in the axial direction, with or without pre-straining and mechanical loading. For example, actuation strains of 35.8% for a cylinder with a prestrain of 40%, and 28.6% for a cylinder without pre-strain have been achieved without any optimization. Furthermore, the actuation strain is independent of the aspect ratio of the cylinder, so that both large strains and large displacements are readily actuated by using long cylinders.
Published Version: doi:10.1063/1.4720181
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:9639966

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  • FAS Scholarly Articles [7262]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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