| 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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Schulte, Karl
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2019Fracture, failure and compression behaviour of a 3D interconnected carbon aerogel (Aerographite) epoxy compositecitations
- 2018Fundamentals of the temperature-dependent electrical conductivity of a 3D carbon foam—Aerographite
- 2018Thermomechanical characteristics of ODF-silica Nafion® nanocomposite for PEMFCs application
- 20173D carbon networks and their polymer compositescitations
- 2017Compression fracture of CFRP laminates containing stress intensifications
- 2017Growth model of a carbon based 3D structure (Aerographite) and electrical/mechanical properties of composites
- 2016Fracture, failure and compression behaviour of a 3D interconnected carbon aerogel (Aerographite) epoxy compositecitations
- 2016Electro-mechanical piezoresistive properties of three dimensionally interconnected carbon aerogel (Aerographite)-epoxy compositescitations
- 2015Three-dimensional Aerographite-GaN hybrid networkscitations
- 2015Three-dimensional Aerographite-GaN hybrid networks: single step fabrication of porous and mechanically flexible materials for multifunctional applications
- 2013Improvement of carbon nanotube dispersion in thermoplastic composites using a three roll mill at elevated temperaturescitations
- 2011Characterization of the state of dispersion of carbon nanotubes in polymer nanocomposites
- 2009CFRP-recycling following a pyrolysis route : process optimization and potentials
- 2008Direction sensitive bending sensors based on multi-wall carbon nanotube/epoxy nanocompositescitations
- 2008Catalytically active CNT-polymer-membrane assembliescitations
Places of action
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article
3D carbon networks and their polymer composites
Abstract
<p>Aerographite is a lightweight 3D nanocarbon network which offers covalent interconnections for polymer nanocomposites (PNCs). Here, the electrical and mechanical properties of neat Aerographite and Aerographite-based PNCs are investigated in detail. The Aerographite filler networks consist of hollow, graphitic tubes of μm-sized diameters and nm-sized wall thicknesses. Different densities of Aerographite in the range of 0.6–13.9 mg/cm<sup>3</sup> have been investigated towards their mechanical deformation behavior, electrical conductivities and piezoresistive response under compression. This basic characterization of filler networks is compared to resulting PNCs if the Aerographite is fully embedded in epoxy matrix. It can be shown that the use of 3D interconnected Aerographite results in high electrical conductivities at low filler contents, e.g., 2–8.7 S/m for weight fractions of 0.1–1.2 wt.-%. The neat Aerographite has been characterized in detail by scanning electron microscopy (SEM), X-ray diffraction (XRD) and Raman spectroscopy techniques. To explain the observed piezoresistive behavior of these 3D nanocarbon-based PNCs, a qualitative micromechanical model is introduced. The model describes the internal graphitic wall slippage and loss of interconnections of the inner electrically conductive networks under load. The piezoresistive response of Aerographite-based PNCs can be directly correlated to the applied outer mechanical loads.</p>