Fabrication and characterization of thin ﬁlm-based multilayered dielectric elastomer stack transducers via submodules

Andreas Hubracht; Ozan Çabuk; Tim Krüger; Jürgen Maas

doi:10.1117/12.2584768

27 March 2021 Fabrication and characterization of thin ﬁlm-based multilayered dielectric elastomer stack transducers via submodules

Andreas Hubracht, Ozan Çabuk, Tim Krüger, Jürgen Maas

Author Affiliations +

Proceedings Volume 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII; 115870U (2021) https://doi.org/10.1117/12.2584768
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only

Abstract

Transducers based on dielectric elastomers (DEs) consist of a polymer as dielectric between two compliant electrodes and can convert electrical into mechanical energy and vice versa. The geometry signiﬁcantly determines the performance of DEs, which is mainly reﬂected by the static and dynamic behavior of pressure and strain. The goal of multilayered dielectric elastomer stack-transducers (DETs) is to maximize the force while maintaining a reasonable deﬂection. To scale the voltage down to 1 kV the thickness of the elastomeric ﬁlm must be reduced. For this purpose, a roll-to-sheet lamination process has been adopted by modifying an existing process in order to use elastomeric ﬁlms with a thickness of 20 µ m, applied with electric ﬁeld strength up to 50 V/ µ m. In a ﬁrst step, 10 ﬁlms are laminated in a semi-automated process resulting in submodules. Fully functional submodules are stacked to form a multilayered stack-transducer up to hundreds of thin ﬁlms. The production process can be divided into 5 partial processes which are described in detail. The goal of each manufacturing step as well as challenges are presented. With this outline, the outcome of the mentioned manufacturing approach of thin ﬁlm-based multilayered DE stack-transducers is investigated. The roll-to-sheet lamination approach to produce DETs via submodules provides a good basis for further research in this ﬁeld.

Citation Download Citation

Andreas Hubracht, Ozan Çabuk, Tim Krüger, and Jürgen Maas "Fabrication and characterization of thin ﬁlm-based multilayered dielectric elastomer stack transducers via submodules", Proc. SPIE 11587, Electroactive Polymer Actuators and Devices (EAPAD) XXIII, 115870U (27 March 2021); https://doi.org/10.1117/12.2584768

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