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Published March 2012 | public
Journal Article

Snap-through actuation of thick-wall electroactive balloons


Solution to the problem of a spherical balloon made out of an electroactive polymer which is subjected to coupled mechanical and electrical excitations is determined. It is found that for certain material behaviors instabilities that correspond to abrupt changes in the balloon size can be triggered. This can be exploited to electrically control different actuation cycles as well as to use the balloon as a micro-pump.

Additional Information

© 2011 Elsevier Ltd. Available online 2 June 2011. This work was supported by the United States-Israel Binational Science Foundation (Grant no. 2004146).

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