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  4. Materials based design of structures: computational modeling of the mechanical behavior of gold-polymer nanocomposites
 
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Materials based design of structures: computational modeling of the mechanical behavior of gold-polymer nanocomposites

Citation Link: https://doi.org/10.15480/882.1874
Publikationstyp
Journal Article
Date Issued
2015-12-02
Sprache
English
Author(s)
Bargmann, Swantje  
Soyarslan, Celal  
Husser, Edgar  
Konchakova, Natalia  
Institut
Kontinuums- und Werkstoffmechanik M-15  
TORE-DOI
10.15480/882.1874
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1877
Journal
Mechanics of materials  
Volume
94
Start Page
53
End Page
65
Citation
Mechanics of Materials (94): 53-65 (2016-03-01)
Publisher DOI
10.1016/j.mechmat.2015.11.008
Scopus ID
2-s2.0-84950144208
Publisher
Elsevier
This is an open access article under the CCBY-NC-ND license. The impact of small scale geometric confinement on deformation mechanisms is subject of intense research in materials sciences nowadays. Nanoporous metals have a microstructure with an extremely high volume-specific surface content. Due to a very high local strength and a relatively regular interconnection of the nanoconstituents as well as a low mass density, nanoporous metals are very good candidates for strong and light-weight structural materials. The modeling of a modern nanocomposite material of gold-polymer is in the focus of the contribution. A gradient extended crystal plasticity theory is applied to the computation of the mechanical response of the metal part of the composite and an elastic-viscoplastic continuum model is used for the simulation of the polymer material. The gradient hardening contribution is included into the crystal plasticity model in order to study the influence of the ligament size. Numerical results of the deformation of the gold-polymer nanocomposite under compression are presented. Simulation results are compared to the corresponding experimental data.
Subjects
nanocomposite
metal-polymer composite
extended crystal plasticity
gold
size effect
DDC Class
600: Technik
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
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