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Publisher DOI: 10.1016/j.jmps.2016.11.011
Title: Interface elasticity effects in polymer-filled nanoporous metals
Language: English
Authors: Wilmers, Jana 
McBride, Andrew 
Bargmann, Swantje 
Keywords: composite;nanoporous;multiphysics;interface;micromechanics
Issue Date: 22-Nov-2016
Publisher: Elsevier
Source: Journal of the Mechanics and Physics of Solids (99): 163-177 (2017)
Journal or Series Name: Journal of the Mechanics and Physics of Solids 
Abstract (english): 
A continuum formulation for electroactive composites made from nanoporous gold and ionconducting polymer is proposed. A novel extension of surface elasticity theory is developed to account for the high surface-to-volume ratio of nanoporous gold, and to capture the
chemoelectromechanical coupling that occurs on the interface between the metal and the polymer. This continuum formulation accounts for the fully non-linear behaviour exhibited by the composite.
The balance of linear momentum, Gauß's flux theorem and a relation for the transport of charge carriers are introduced in the bulk material as well as on the interface to describe the nonlinear multiphysics and highly coupled response of the actuator. The resulting system of nonlinear equations is solved using the finite element method. A series of numerical examples is presented to elucidate the theory.
DOI: 10.15480/882.1690
ISSN: 0022-5096
Institute: Keramische Hochleistungswerkstoffe M-9 
Kontinuums- und Werkstoffmechanik M-15 
Document Type: Article
License: CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives) CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives)
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