Paper Title:
A Co-Axial Dielectric Elastomer Actuator
  Abstract

Dielectric elastomer actuators based on Maxwell-stress induced deformation, are considered for many potential applications where high actuation strain and high energy density are required. They usually rely on a planar actuator configuration, however, a string-like actuator would be less bulky, and more versatile for several applications. In this paper, a co-axial dielectric elastomer actuator that produces relatively high actuation strain is presented. The actuator is manufactured through alternating dip-coating steps with insulating and conductive thin layers. A soluble thermoplastic block-copolymer, SEBS(poly-(styrene-ethylene-butylene-styrene), is used for the dielectric layers as well as for the host material of the compliant electrodes. Electrical conductivity of the electrodes is achieved by incorporation of conductive carbon-black particles in the elastomer matrix. Actuators with a single and with multiple active layers (up to three) have been successfully demonstrated. This geometry is advantageous in that it is compact and can be bundled easily, and should therefore be practical in applications such as “artificial muscles”.

  Info
Periodical
Edited by
Pietro VINCENZINI, Yoseph BAR-COHEN and Federico CARPI
Pages
81-84
DOI
10.4028/www.scientific.net/AST.61.81
Citation
H. Stoyanov, G. Kofod, R. Gerhard, "A Co-Axial Dielectric Elastomer Actuator", Advances in Science and Technology, Vol. 61, pp. 81-84, 2008
Online since
September 2008
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Hyouk Ryeol Choi, Kwang Mok Jung, Ja Choon Koo, Jae Do Nam, Young Kwan Lee, Mi Suk Cho
Abstract:ElectroActive Polymers (EAPs) are emerging as new actuating means replacing the existing technologies such as piezoelectric, electrostatic,...
622
Authors: Ja Choon Koo, Kwang Mok Jung, Min Young Jung, Hyouk Ryeol Choi, Jae Do Nam, Young Kwan Lee
Abstract:Many publications have demonstrated advantages of smart polymer actuators over the traditional electromagnetic transducers. One of the most...
1187
Authors: P. Khodaparast, S.R. Ghaffarian, M.R. Khosroshahi
Abstract:Dielectric elastomers are a class of electro-active polymers (EAPs) which have great potentials to be used in smart composites. These...
985
Authors: Federico Carpi, Gabriele Frediani, Andrea Mannini, Danilo De Rossi
Abstract:Dielectric elastomer (DE) actuators are able to typically show significant electromechanical performances, which make this electroactive...
186
Authors: Guggi Kofod
Abstract:The cuboid actuator is presented as a simple system for evaluation of the properties of dielectric elastomer actuators. The Ogden model as a...
91