Mechanical Properties of Boehmite Evaluated by Atomic Force Microscopy Experiments and Molecular Dynamic Finite Element Simulations

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Fankhaenel, J.; Silbernagl, D.; Khorasani, M. Ghasem Zadeh; Daum, B.; Kempe, A. et al.: Mechanical Properties of Boehmite Evaluated by Atomic Force Microscopy Experiments and Molecular Dynamic Finite Element Simulations. In: Journal of Nanomaterials 2016 (2016), 5017213. DOI: https://doi.org/10.1155/2016/5017213

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Abstract: 
Boehmite nanoparticles show great potential in improving mechanical properties of fiber reinforced polymers. In order to predict the properties of nanocomposites, knowledge about the material parameters of the constituent phases, including the boehmite particles, is crucial. In this study, the mechanical behavior of boehmite is investigated using Atomic Force Microscopy (AFM) experiments and Molecular Dynamic Finite Element Method (MDFEM) simulations. Young's modulus of the perfect crystalline boehmite nanoparticles is derived from numerical AFM simulations. Results of AFM experiments on boehmite nanoparticles deviate significantly. Possible causes are identified by experiments on complementary types of boehmite, that is, geological and hydrothermally synthesized samples, and further simulations of imperfect crystals and combined boehmite/epoxymodels. Under certain circumstances, the mechanical behavior of boehmite was found to be dominated by inelastic effects that are discussed in detail in the present work. The studies are substantiated with accompanying X-ray diffraction and Raman experiments.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

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pos. country downloads
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1 image of flag of Germany Germany 122 67.03%
2 image of flag of United States United States 29 15.93%
3 image of flag of Ireland Ireland 7 3.85%
4 image of flag of China China 5 2.75%
5 image of flag of Netherlands Netherlands 3 1.65%
6 image of flag of Italy Italy 2 1.10%
7 image of flag of India India 2 1.10%
8 image of flag of United Kingdom United Kingdom 2 1.10%
9 image of flag of Anonymous Proxy Anonymous Proxy 2 1.10%
10 image of flag of Hungary Hungary 1 0.55%
    other countries 7 3.85%

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