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Modeling the Diluent Effect on Streaming Current for Ionic Polymer Transducers in Shear

[+] Author Affiliations
Ursula T. Zangrilli, Lisa M. Weiland

University of Pittsburgh, Pittsburgh, PA

Paper No. SMASIS2012-7976, pp. 89-95; 7 pages
  • ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting
  • Stone Mountain, Georgia, USA, September 19–21, 2012
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4510-3
  • Copyright © 2012 by ASME


Ionic Polymer Transducers (IPTs) are devices that exhibit superior charge sensing capabilities. Further, they can produce an electric signal in any mode of deformation. These sensors can be manufactured with various forms of diluent. Experimental results indicate that both the type and amount of the diluent in the IPT make a difference on the strength of the electrical current output. The streaming potential hypothesis is currently the only way to explain the existence of a electrical current in shear deformation. This work expands on a model previously presented to test the model’s ability to determine the effect of diluent variation and amount of diluent uptake.

Copyright © 2012 by ASME



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