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dc.contributor.authorZurlo, Giuseppe
dc.contributor.authorDestrade, Michel
dc.contributor.authorLu, Tongqing
dc.identifier.citationZurlo, Giuseppe, Destrade, Michel, & Lu, Tongqing. (2018). Fine tuning the electro-mechanical response of dielectric elastomers. Applied Physics Letters, 113(16), 162902. doi: 10.1063/1.5053643en_IE
dc.description.abstractWe propose a protocol to model accurately the electromechanical behavior of dielectric elastomer membranes using experimental data of stress-stretch and voltage-stretch tests. We show how the relationship between electric displacement and the electric field can be established in a rational manner from these data. Our approach demonstrates that the ideal dielectric model, prescribing linearity in the purely electric constitutive equation, is quite accurate at low-to-moderate values of the electric field and that, in this range, the dielectric permittivity constant of the material can be deduced from stress-stretch and voltage-stretch data. Beyond the linearity range, more refined couplings are required, possibly including a non-additive decomposition of the electro-elastic energy. We also highlight that the presence of vertical asymptotes in voltage-stretch data, often observed in the experiments just prior to failure, should not be associated with strain stiffening effects but instead with the rapid development of electrical breakdown. Published by AIP Publishing.en_IE
dc.description.sponsorshipThe work of T.L. was supported by the NSFC (No. 11772249). G.Z. gratefully acknowledges the hospitality of the PMMH-ESPCI ParisTech and the support of the Italian GNFM (Gruppo Nazionale di Fisica Matematica). The authors thank the organisers of the 2016 EMI International Conference of ASCE in Metz, France, where preliminary ideas for this paper were discussed. They also thank Ruisen Yang for providing some of the experimental data in Fig.1.en_IE
dc.publisherAIP Publishingen_IE
dc.relation.ispartofApplied Physics Lettersen
dc.subjectDielectric propertiesen_IE
dc.subjectDielectric response functionsen_IE
dc.subjectElastic energyen_IE
dc.subjectSmart materialsen_IE
dc.subjectDielectric materialsen_IE
dc.subjectElectrical properties and parametersen_IE
dc.titleFine tuning the electro-mechanical response of dielectric elastomersen_IE
dc.contributor.funderNational Natural Science Foundation of Chinaen_IE
dc.contributor.funderGruppo Nazionale di Fisica Matematica, Italyen_IE
dc.local.contactMichel Destrade, Room Adb-1002, Áras De Brun, School Of Mathematics, Nui Galway. 2344 Email:

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