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Verlagslink DOI: 10.1016/j.jmps.2016.11.011
Titel: Interface elasticity effects in polymer-filled nanoporous metals
Sprache: English
Autor/Autorin: Wilmers, Jana 
McBride, Andrew 
Bargmann, Swantje 
Schlagwörter: composite;nanoporous;multiphysics;interface;micromechanics
Erscheinungsdatum: 22-Nov-2016
Verlag: Elsevier
Quellenangabe: Journal of the Mechanics and Physics of Solids (99): 163-177 (2017)
Zeitschrift oder Schriftenreihe: Journal of the Mechanics and Physics of Solids 
Zusammenfassung (englisch): 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.
URI: http://tubdok.tub.tuhh.de/handle/11420/1693
DOI: 10.15480/882.1690
ISSN: 0022-5096
Institut: Keramische Hochleistungswerkstoffe M-9 
Kontinuums- und Werkstoffmechanik M-15 
Dokumenttyp: (wissenschaftlicher) Artikel
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