Voltage-induced wrinkling behavior of dielectric elastomer

ABSTRACT Wrinkles, with regular periodic patterns in soft dielectric membrane, are interesting, since they are induced electrically by applying a voltage. An experimental investigation is presented to study the wrinkling behavior of dielectric elastomer. Steady wrinkles, without the accompany of ele...

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Bibliographic Details
Published in:Journal of applied polymer science 2016-04, Vol.133 (14), p.np-n/a
Main Authors: Liu, Xuejing, Li, Bo, Chen, Hualing, Jia, Shuhai, Zhou, Jinxiong
Format: Article
Language:English
Subjects:
Breakdown
dielectric properties
dielectric properties
elastomers
functionalization of polymers
mechanical properties
theory and modeling
Dielectrics
Elastomers
Electric potential
functionalization of polymers
Materials science
mechanical properties
Membranes
Polymers
theory and modeling
Voltage
Wrinkling
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Summary:ABSTRACT Wrinkles, with regular periodic patterns in soft dielectric membrane, are interesting, since they are induced electrically by applying a voltage. An experimental investigation is presented to study the wrinkling behavior of dielectric elastomer. Steady wrinkles, without the accompany of electrical breakdown were attained. According to the relationship between wrinkling and breakdown, the electromechanical behaviors of DE membrane can be divided into the following types: Type A: breakdown directly without wrinkles; Type B: wrinkle and immediate breakdown; Type C: form steady wrinkles within a voltage span. Three different electromechanical behaviors of DE membrane are classified in a phase chart. A theoretical analysis is presented and discussed, involving the effect of prestretch and configurations to predict the relationship between mechanical wrinkling and electrical breakdown. Wrinkles at on‐demand location can be triggered. The results agree with the experiments. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43258.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.43258