What is Dielectric Elastomers ?
Dielectric elastomers (DEs) are smart material systems which produce large strains (up to 300%) and belong to the group of electroactive polymers (EAP). Based on their simple working principle dielectric elastomer actuators (DEA) transform electric energy directly into mechanical work.
A blind person uses the dielectric elastomer EAP based refreshable Braille display developed at Sungkyunkwan University, South Korea. Credit: HR Choi, Sungkyunkwan University, South Korea.
DE are lightweight, have a high elastic energy density and have been investigated since the late 90’s. Many potential applications exist as prototypes. Every year in spring a SPIE conference takes place in San Diego where the newest research results concerning DEA are exchanged.
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