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High-Speed Electrically Actuated Elastomers with Strain Greater Than 100%
Abstract
Electrical actuators were made from films of dielectric elastomers (such as silicones) coated on both sides with compliant electrode material. When voltage was applied, the resulting electrostatic forces compressed the film in thickness and expanded it in area, producing strains up to 30 to 40%. It is now shown that prestraining the film further improves the performance of these devices. Actuated strains up to 117% were demonstrated with silicone elastomers, and up to 215% with acrylic elastomers using biaxially and uniaxially prestrained films. The strain, pressure, and response time of silicone exceeded those of natural muscle; specific energy densities greatly exceeded those of other field-actuated materials. Because the actuation mechanism is faster than in other high-strain electroactive polymers, this technology may be suitable for diverse applications.
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Cited by
Stretchable, Transparent, Ionic Conductors
Keplinger, C., Sun, J.-Y., Foo, C. C., Rothemund, P., Whitesides, G. M., & Suo, Z. (2013) · Science · doi:10.1126/science.1240228 · Cited by 1,754
Xu, S., Zhang, Y., Cho, J., Lee, J., Huang, X., Jia, L., Fan, J. A., Su, Y., Su, J., Zhang, H., et al. (2013) · Nature Communications · doi:10.1038/ncomms2553 · Cited by 1,404
Soft Actuators for Small-Scale Robotics
Hines, L., Petersen, K., Lum, G. Z., & Sitti, M. (2017) · Advanced Materials · doi:10.1002/adma.201603483 · Cited by 1,337
Hydraulically amplified self-healing electrostatic actuators with muscle-like performance
Acome, E., Mitchell, S. K., Morrissey, T. G., Emmett, M. B., Benjamin, C., King, M., Radakovitz, M., & Keplinger, C. (2018) · Science · doi:10.1126/science.aao6139 · Cited by 1,072
Elastomeric polymer light-emitting devices and displays
Liang, J., Li, L., Niu, X., Yu, Z., & Pei, Q. (2013) · Nature Photonics · doi:10.1038/nphoton.2013.242 · Cited by 973
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Metadata
- Authors
- Pelrine, R., Kornbluh, R., Pei, Q., & Joseph, J.
- Venue
- Science
- Published
- 2000-02-04
- Volume
- 287
- Issue
- 5454
- Pages
- 836-839
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1545301666
- Cited by
- 3,283
- References
- 0
- FWCI
- 16.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pelrine, R., Kornbluh, R., Pei, Q., & Joseph, J. (2000). High-Speed Electrically Actuated Elastomers with Strain Greater Than 100%. Science. https://doi.org/10.1126/science.287.5454.836
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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