Affiliation:
1. Centro "E. Piaggio', Faculty of Engineering, University of Pisa, 56126 Pisa, Italy
Abstract
Steerable microstructures, i.e., catheters, are presented. They exploit the electromechanochemical phenomena of ir-electron conjugated conducting polymers occurring when ionic species are exchanged with the surrounding medium. In this paper we considered polypyrrole as conducting polymer and a fast ionic conductor solid polyelectrolyte as ionic reservoir. Experimental determination of the governing material constants, modelling of conducting polymer/solid polyelectrolyte composite material and finite element computer simulations of the mechanical properties of cylindrical structures provide favourable indication about the feasibility of effective steerable, miniaturised catheters.
Subject
Mechanical Engineering,General Materials Science
Cited by
61 articles.
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