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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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Bulejak, Weronika
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2023Critical Insight into Pretransitional Behavior and Dielectric Tunability of Relaxor Ceramicscitations
- 2022Graphene-reinforced ceramics obtained by slip casting and pressureless sintering: Interactions and stability of particles in aqueous environmentcitations
- 2021The influence of the chemical structure of selected polymers on the properties of ferroelectric ceramic-polymer compositescitations
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article
Graphene-reinforced ceramics obtained by slip casting and pressureless sintering: Interactions and stability of particles in aqueous environment
Abstract
Ceramic-graphene composites had been considered very promising for both their conductivity and superior fracture toughness compared to nonreinforced materials. However, agglomeration of graphene flakes occurring during the shaping process causes the properties of obtained composites to differ from theoretical values. Authors investigate slip casting as the alternative to the granulation and powder metallurgy route. Slip casting as a near-net-shape technique results in fewer steps compared to the standard routes of ceramic-graphene composites preparation. To enable slip casting of such materials stable ceramic-graphene suspensions of low viscosity are required. The influence of dispersing agents on zeta potential and viscosity of obtained suspensions had been investigated. Authors define possible interactions between graphene and alumina powder within suspension and their influence on the properties of suspensions. The composite materials have been well densified by pressureless sintering in a reductive atmosphere. The composites exhibited much higher fracture toughness in comparison to pure alumina samples.