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  4. Interface elasticity effects in polymer-filled nanoporous metals
 
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Interface elasticity effects in polymer-filled nanoporous metals

Citation Link: https://doi.org/10.15480/882.1690
Publikationstyp
Journal Article
Date Issued
2016-11-22
Sprache
English
Author(s)
Wilmers, Jana  
McBride, Andrew  
Bargmann, Swantje  
Institut
Keramische Hochleistungswerkstoffe M-9  
Kontinuums- und Werkstoffmechanik M-15  
TORE-DOI
10.15480/882.1690
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1693
Journal
Journal of the Mechanics and Physics of Solids  
Volume
99
Start Page
163
End Page
177
Citation
Journal of the Mechanics and Physics of Solids (99): 163-177 (2017)
Publisher DOI
10.1016/j.jmps.2016.11.011
Scopus ID
2-s2.0-85002002593
Publisher
Elsevier
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.
Subjects
composite
nanoporous
multiphysics
interface
micromechanics
DDC Class
620: Ingenieurwissenschaften
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
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