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Proceedings Paper

Effect of temperature on electromechanical instability of dielectric elastomers
Author(s): Junjie Sheng; Hualing Chen; Bo Li; Yongquan Wang; Junhua Qiang
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Paper Abstract

The electromechanical behavior of dielectric elastomer is strongly affected by the temperature. Very few models accounting for the effects of temperature exist in the literature. A recent experiment showed that the variation of dielectric constant of the most widely used dielectric elastomer (VHB 4910, 3M) according to temperature is relatively significant. In this paper, we develop a thermodynamic model to study the influence of temperature on the instability in dielectric elastomer by involving deformation and temperature-dependent dielectric constant. The results indicate that the increase of temperature could improve the actuation stress and the electromechanical instability of the elastomer.

Paper Details

Date Published: 3 April 2012
PDF: 9 pages
Proc. SPIE 8340, Electroactive Polymer Actuators and Devices (EAPAD) 2012, 83402B (3 April 2012); doi: 10.1117/12.917089
Show Author Affiliations
Junjie Sheng, Xi'an Jiaotong Univ. (China)
Hualing Chen, Xi'an Jiaotong Univ. (China)
Bo Li, Xi'an Jiaotong Univ. (China)
Yongquan Wang, Xi'an Jiaotong Univ. (China)
Junhua Qiang, Xi'an Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 8340:
Electroactive Polymer Actuators and Devices (EAPAD) 2012
Yoseph Bar-Cohen, Editor(s)

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