| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bargmann, Swantje
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2022A design method for metamaterials: 3D transversely isotropic lattice structures with tunable auxeticitycitations
- 2022Orientation-dependent micromechanical behavior of nacre: In situ TEM experiments and finite element simulationscitations
- 2021Hierarchical Microstructure of Tooth Enameloid in Two Lamniform Shark Species, Carcharias taurus and Isurus oxyrinchuscitations
- 2020An Enhanced Method to Evaluate Tensile Yield Stress by Small Punch Tests Using Deflection Curves
- 2018Functionalisation of metal-polymer-nanocomposites : chemoelectromechanical coupling and charge carrier transport
- 20183D stochastic bicontinuous microstructures: generation, topology and elasticitycitations
- 2018A class of rate-independent lower-order gradient plasticity theoriescitations
- 2017Size affected dislocation activity in crystals : advanced surface and grain boundary conditions
- 2017Elastic behaviour at the nanoscale of innovative composites of nanoporous gold and polymer
- 2017Effect of surface elasticity on the elastic response of nanoporous gold
- 2017The role of geometrically necessary dislocations in cantilever beam bending experiments of single crystalscitations
- 2016Fourth-order strain-gradient phase mixture model for nanocrystalline fcc materialscitations
- 2016Lurie solution for spherical particle and spring layer model of interphases : its application in analysis of effective properties of composites
- 2016Study of intrinsic and extrinsic size effects on shear bands in metallic glasses
- 2016Structure-property relationships in nanoporous metallic glassescitations
- 2016Automatic three-dimensional geometry and mesh generation of periodic representative volume elements for matrix-inclusion compositescitations
- 2016Interface elasticity effects in polymer-filled nanoporous metals
- 2016Influences of RVE topology, discretization and boundary conditions in practical multiscaling - a comparison
- 2015Modeling of fracture in small punch tests for small- and large-scale yielding conditions at various temperatures
- 2015Characterization of the microstructure evolution in IF-Steel and AA6016 during plane-strain tension and Simple Shearcitations
- 2015Elastic and plastic poisson’s ratios of nanoporous gold
- 2015Finite element damage analysis of an underwater glider–ship collision
- 2015Materials based design of structures: computational modeling of the mechanical behavior of gold-polymer nanocomposites
- 2015The plastic yield and flow behavior in metallic glasses
- 2015The plastic yield and flow behavior in metallic glassescitations
- 2014Application of a gradient crystal plasticity model to numerical analysis of metal part of nanoporous metal - Polymer composites
- 2014Inherent and induced anisotropic finite visco-plasticity with applications to the forming of DC06 sheetscitations
- 2014Property optimization of porous metallic glasses via structural designcitations
- 2013Crashworthiness of magnesium sheet structurescitations
- 2011Phenomenological modeling of anisotropy induced by evolution of the dislocation structure on the macroscopic and microscopic scale
- 2011Phenomenological modeling of anisotropy induced by evolution of the dislocation structure on the macroscopic and microscopic scalecitations
- 2011Modeling of polycrystals using a gradient crystal plasticity theory that includes dissipative microstressescitations
Places of action
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article
Functionalisation of metal-polymer-nanocomposites : chemoelectromechanical coupling and charge carrier transport
Abstract
Electrochemical actuation in nanoporous metals is achieved by impregnation of the material’s pore space with a ionic conductor, typically an aqueous electrolyte. These hybrid actuators exhibit fully reversible deformation and mechanical properties that can be controlled by electric signals. Recently, set-ups have been proposed in which the nanoporous metal’s surface is additionally coated with a conjugated polymer, resulting in a nanocomposite that exhibits strongly increased actuation strains compared to the pure metal while still retaining the mechanical strength of the metal backbone. In order to exploit the full potential of these nanocomposite actuators, a detailed understanding of the underlying ion transport mechanisms and means to predict the actuator’s response are necessary. We present an interface-extended continuum mechanical model to study actuation in pure nanoporous gold and nanoporous gold–polypyrrole nanocomposites. Simulations predict significantly enhanced actuation strains due to the presence of the polymer phase and show that both, the nanocomposite’s structure and the ions’ mobilities, greatly affect the actuator’s response.