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Electromechanical Interplay in Deformable Dielectric Elastomer Networks

Cohen, Noy and deBotton, Gal (2016) Electromechanical Interplay in Deformable Dielectric Elastomer Networks. Physical Review Letters, 116 (20). Art. No. 208303. ISSN 0031-9007. doi:10.1103/PhysRevLett.116.208303.

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A systematic, statistical-mechanics-based analysis of the response of dielectric elastomers to coupled electromechanical loading is conducted, starting from the monomer level through the polymer chain and ending with closed-form expressions for the polarization and stress fields. It is found that the apparent response at the macrolevel is dictated by four microscopic parameters—the monomer type and polarizability and the chain length and density. Our analysis further reveals a new electrostrictive effect that either reinforces or opposes the polarization-induced deformation. The validity of the results is attested through comparisons with well-established experimental measurements of both the polarization field and the electrostrictive stress.

Item Type:Article
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URLURL TypeDescription
Cohen, Noy0000-0003-2224-640X
deBotton, Gal0000-0003-3608-1896
Additional Information:© 2016 American Physical Society. Received 7 February 2016; published 20 May 2016. This work was supported by the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities (Grant No. 1246/11).
Funding AgencyGrant Number
Israel Academy of Sciences and Humanities1246/11
Israel Science FoundationUNSPECIFIED
Issue or Number:20
Record Number:CaltechAUTHORS:20161109-105751942
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Official Citation:Electromechanical Interplay in Deformable Dielectric Elastomer Networks Noy Cohen and Gal deBotton Phys. Rev. Lett. 116, 208303
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71883
Deposited By: Tony Diaz
Deposited On:09 Nov 2016 20:00
Last Modified:11 Nov 2021 04:52

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