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Updated: Jul 20, 2026
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Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Published on: February 1, 2016
Buckling of elastomer sheets under non-uniform electro-actuation
Hadrien Bense1, Miguel Trejo, Etienne Reyssat
1Laboratoire de Physique et Mécanique des Milieux Hétérogènes (PMMH), CNRS, ESPCI Paris, PSL Research University, Sorbonne Université, Univ. Paris Diderot. Paris, France. hadrien.bense@espci.fr.
Soft Matter
|March 31, 2017
Summary
This study explores buckling instabilities in dielectric elastomer sheets under non-uniform electric fields. Researchers investigated circular plates in water and clamped configurations, analyzing out-of-plane deformation for 3D activation control.
Area of Science:
- Materials Science
- Soft Robotics
- Mechanical Engineering
Background:
- Dielectric elastomers (DEs) exhibit in-plane expansion under transverse electric fields.
- Understanding DE behavior under complex electrical conditions is crucial for advanced applications.
- Buckling instabilities in soft materials present unique challenges and opportunities.
Purpose of the Study:
- To experimentally investigate buckling instabilities in dielectric elastomer plates subjected to non-uniform voltage distributions.
- To theoretically describe the out-of-plane deformation of these plates.
- To lay the groundwork for controlling the three-dimensional (3D) activation of dielectric elastomers.
Main Methods:
- Experimental study of circular dielectric elastomer plates.
- Application of non-uniform voltage distributions.
- Investigation of two configurations: freely floating on water and clamped on a frame.
- Theoretical description using weakly non-linear plate equations.
Main Results:
- Demonstrated buckling instabilities in dielectric elastomer sheets under non-uniform electric fields.
- Characterized out-of-plane deformations in different experimental setups.
- Provided a theoretical framework for analyzing these complex deformations.
Conclusions:
- Non-uniform voltage distributions can induce buckling instabilities in dielectric elastomers.
- The study provides fundamental insights into the mechanical response of DEs.
- This research is a foundational step towards achieving controlled 3D actuation in dielectric elastomer systems.
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