Reconfigurable shape-morphing dielectric elastomers using spatially varying electric fields

E Hajiesmaili, DR Clarke - Nature communications, 2019 - nature.com
Exceptionally large strains can be produced in soft elastomers by the application of an
electric field and the strains can be exploited for a variety of novel actuators, such as tunable …

Liquid crystal elastomers with enhanced directional actuation to electric fields

HE Fowler, P Rothemund, C Keplinger… - Advanced …, 2021 - Wiley Online Library
The integration of soft, stimuli‐responsive materials in robotic systems is a promising
approach to introduce dexterous and delicate manipulation of objects. Electrical control of …

[PDF][PDF] Multilayer dielectric elastomers for fast, programmable actuation without prestretch

M Duduta, RJ Wood, DR Clarke - Adv. Mater, 2016 - projects.iq.harvard.edu
DOI: 10.1002/adma. 201601842 voltages (100–300 V) can be achieved by using much
thinner elastomer films (3 μm),[14] but such films are very fragile and difficult to manipulate to …

Programmed shape-morphing into complex target shapes using architected dielectric elastomer actuators

E Hajiesmaili, NM Larson, JA Lewis, DR Clarke - Science Advances, 2022 - science.org
Dielectric elastomer actuators (DEAs) are among the fastest and most energy-efficient,
shape-morphing materials. To date, their shapes have been controlled using patterned …

High-field deformation of elastomeric dielectrics for actuators

R Pelrine, R Kornbluh, J Joseph, R Heydt, Q Pei… - Materials Science and …, 2000 - Elsevier
This paper investigates the use of elastomeric dielectric materials with compliant electrodes
as a means of actuation. When a voltage is applied to the electrodes, the elastomeric films …

Reconfigurable and latchable shape‐morphing dielectric elastomers based on local stiffness modulation

B Aksoy, H Shea - Advanced Functional Materials, 2020 - Wiley Online Library
Programmable soft materials exhibiting dynamically reconfigurable, reversible, fast, and
latchable shape transformation are key for applications ranging from wearable tactile …

Method to analyze programmable deformation of dielectric elastomer layers

X Zhao, Z Suo - Applied Physics Letters, 2008 - pubs.aip.org
A layer of a dielectric elastomer expands its area when a voltage is applied across its
thickness. The layer can be programed to deform in three dimensions by using patterned …

Bottlebrush elastomers: A new platform for freestanding electroactuation

Q Li, M Vatankhah-Varnoosfaderani… - Advanced …, 2017 - cdr.lib.unc.edu
Freestanding, single-component dielectric actuators are designed based on bottlebrush
elastomers that enable giant reversible strokes at relatively low electric fields and altogether …

Flexible and stretchable electrodes for dielectric elastomer actuators

S Rosset, HR Shea - Applied Physics A, 2013 - Springer
Dielectric elastomer actuators (DEAs) are flexible lightweight actuators that can generate
strains of over 100%. They are used in applications ranging from haptic feedback (mm-sized …

Dielectric elastomer actuators

E Hajiesmaili, DR Clarke - Journal of Applied Physics, 2021 - pubs.aip.org
Dielectric elastomer actuators (DEAs) are soft, electrically powered actuators that have no
discrete moving parts, yet can exhibit large strains (10%–50%) and moderate stress (∼ 100 …