The thickness and stretch dependence of the electrical breakdown strength of an acrylic dielectric elastomer
By Jiangshui Huang, S. Shian, R. Diebold, Zhigang Suo, David R. Clarke. 2012
170 citations recorded by the source corpus.
The performance of dielectric elastomer actuators is limited by electrical breakdown. Attempts to measure this are confounded by the voltage-induced thinning of the elastomer. A test configuration is introduced that avoids this problem: A thin sheet of elastomer is stretched, crossed-wire electrodes are attached, and then embedded in a stiff polymer. The applied electric field at breakdown, EB, is found to depend on both the deformed thickness, h, and the stretch applied, λ. For the acrylic elastomer investigated, the breakdown field scales as EB = 51 h − 0.25 λ 0.63. The test configuration allows multiple individual tests to be made on the same sheet of elastomer.
Subfields: Biomedical Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/8fc1fd938e4d4c2dee06e49fafc39a03db859637
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In Biomedical Engineering
- Christoph Keplinger
- Siegfried Bauer
- Richard A. Baumgartner
- Ingrid Graz
- Reinhard Schwödiauer
- Zhigang Suo
- Xuanhe Zhao
In Materials Chemistry
Citations in the corpus
- Stretch dependence of the electrical breakdown strength and dielectric constant of dielectric elastomers (2013, background): “The performance of DEGs is limited by failure mechanisms such as material rupture, loss of tension, electromechanical instability and electrical breakdown [4–8].”