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Open AccessArticle

A Mechanics Based Surface Image Interpretation Method for Multifunctional Nanocomposites

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Division of Material and Computational Mechanics, Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
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Division of Engineering Materials, Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
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Author to whom correspondence should be addressed.
Present address: Department of Aerospace Engineering, University of Bristol, Bristol BS8 1 TR, UK.
Nanomaterials 2019, 9(11), 1578; https://doi.org/10.3390/nano9111578
Received: 9 October 2019 / Revised: 30 October 2019 / Accepted: 4 November 2019 / Published: 7 November 2019
Graphene nanosheets and thicker graphite nanoplatelets are being used as reinforcement in polymeric materials to improve the material properties or induce new functional properties. By improving dispersion, de-agglomerating the particles, and ensuring the desired orientation of the nano-structures in the matrix, the microstructure can be tailored to obtain specific material properties. A novel surface image assisted modeling framework is proposed to understand functional properties of the graphene enhanced polymer. The effective thermal and mechanical responses are assessed based on computational homogenization. For the mechanical response, the 2-D nanoplatelets are modeled as internal interfaces that store energy for membrane actions. The effective thermal response is obtained similarly, where 2-D nanoplatelets are represented using regions of high conductivity. Using the homogenization simulation, macroscopic stiffness properties and thermal conductivity properties are modeled and then compared to the experimental data. The proposed surface image assisted modeling yields reasonable effective mechanical and thermal properties, where the Kapitza effect plays an important part in effective thermal properties. View Full-Text
Keywords: graphene; multifunctional composites; nanocomposite; computational modeling graphene; multifunctional composites; nanocomposite; computational modeling
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MDPI and ACS Style

Blinzler, B.J.; Larsson, R.; Gaska, K.; Kádár, R. A Mechanics Based Surface Image Interpretation Method for Multifunctional Nanocomposites. Nanomaterials 2019, 9, 1578.

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