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Dynamic Electromechanical Response of a Viscoelastic Dielectric Elastomer under Cycle Electric Loads
Joint Authors
Source
International Journal of Polymer Science
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-01-29
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
Dielectric elastomer (DE) is able to produce large electromechanical deformation which is time-dependent due to the viscoelasticity.
In the current study, a thermodynamic model is set up to characterize the influence of viscoelasticity on the electromechanical and dynamic response of a viscoelastic DE.
The time-dependent dynamic deformation, the hysteresis, and the dynamic stability undergoing viscoelastic dissipative processes are investigated.
The results show that the electromechanical stability has strong frequency dependence; the viscoelastic DE can attain a larger stretch in the dynamic response than the quasistatic actuation.
Furthermore, with the decreasing frequency of the applied electric load, the viscoelastic DE system will present dynamic stability evolution from an aperiodic motion to the quasiperiodic motion.
The DE system may also experience a stability evolution from a single cycle motion to multicycle motion with the increasing relaxation times.
The value and variation trend of the amplitude of the stretch are highly dependent on the excitation frequency and the relaxation time.
American Psychological Association (APA)
Sheng, Junjie& Zhang, Yuqing. 2018. Dynamic Electromechanical Response of a Viscoelastic Dielectric Elastomer under Cycle Electric Loads. International Journal of Polymer Science،Vol. 2018, no. 2018, pp.1-14.
https://search.emarefa.net/detail/BIM-1175012
Modern Language Association (MLA)
Sheng, Junjie& Zhang, Yuqing. Dynamic Electromechanical Response of a Viscoelastic Dielectric Elastomer under Cycle Electric Loads. International Journal of Polymer Science No. 2018 (2018), pp.1-14.
https://search.emarefa.net/detail/BIM-1175012
American Medical Association (AMA)
Sheng, Junjie& Zhang, Yuqing. Dynamic Electromechanical Response of a Viscoelastic Dielectric Elastomer under Cycle Electric Loads. International Journal of Polymer Science. 2018. Vol. 2018, no. 2018, pp.1-14.
https://search.emarefa.net/detail/BIM-1175012
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1175012