| 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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Belmonte, Manuel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023CVD nanocrystalline multilayer graphene coated 3D-printed alumina latticescitations
- 2022CVD nanocrystalline multilayer graphene coated 3D-printed alumina latticescitations
- 2022Enhanced Thermal and Mechanical Properties of 3D Printed Highly Porous Structures Based on γ‐Al<sub>2</sub>O<sub>3</sub> by Adding Graphene Nanoplateletscitations
- 2021Thermal transport and thermoelectric effect in composites of alumina and graphene-augmented alumina nanofiberscitations
- 2020In Situ Graded Ceramic/Reduced Graphene Oxide Composites Manufactured by Spark Plasma Sinteringcitations
- 2019Improved crack resistance and thermal conductivity of cubic zirconia containing graphene nanoplateletscitations
- 2016Prominent local transport in silicon carbide composites containingin-situ synthesized three-dimensional graphene networkscitations
- 2014Process for production of graphene7silicon carbide ceramic composites
- 2011Carbon nanofillers for machining insulating ceramicscitations
- 2010Spark Plasma Sintering Mechanisms in Si3N4 Based Materialscitations
- 2009Wear of aligned silicon nitride under dry sliding conditionscitations
Places of action
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article
In Situ Graded Ceramic/Reduced Graphene Oxide Composites Manufactured by Spark Plasma Sintering
Abstract
<jats:p>The present work merges two key strategies for the manufacturing of advanced ceramics, in particular, the development of functionally graded materials (FGMs) and the addition of graphene-based fillers into a ceramic matrix. A silicon nitride/reduced graphene oxide FGM composite is produced, in one step, from a single powder composition using the spark plasma sintering (SPS) technique with an asymmetric setting of the punches and die to create a continuous temperature gradient along the cross section of the powder compact. A deep microstructural and mechanical characterization has been done across the specimen thickness. The FGM composite exhibits bottom-top gradients in both the matrix grain size (150% increase) and α-phase content (89→1%). The FGM bottom surface is 10% harder than the top one and, on the other hand, the latter is 15% tougher. The presence of reduced graphene oxide sheets homogeneously distributed within the ceramic composite reduces the mechanical gradients compared to the monolithic silicon nitride FGM, although allows reaching a maximum long-crack toughness value of 9.4 MPa·m1/2. In addition, these graphene-based fillers turn the insulating ceramics into an electrical conductor material.</jats:p>