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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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Morgen, Per
University of Southern Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2024Impact of drug compounds mechanical/deformation properties on the preparation of nano- and microsuspensionscitations
- 2024Impact of drug compounds mechanical/deformation properties on the preparation of nano- and microsuspensionscitations
- 2022Post-degradation case study of the membrane electrode assembly from a low-temperature PEMFC stack
- 2022Post-degradation case study of the membrane electrode assembly from a low-temperature PEMFC stack
- 2022En metode til at danne kobberlag på porøst aluminium oxid (PAO) på et substrat af aluminium legering ; A method for manufacturing copper film on porous aluminum oxide (pao) on an aluminum alloy substrate
- 2022Insights into Degradation of the Membrane–Electrode Assembly Performance in Low-Temperature PEMFC:the Catalyst, the Ionomer, or the Interface?citations
- 2022A method for manufacturing copper film on porous aluminum oxide (pao) on an aluminum alloy substrate
- 2022Insights into Degradation of the Membrane–Electrode Assembly Performance in Low-Temperature PEMFCcitations
- 2020Platinum recycling through electroless dissolution under mild conditions using a surface activation assisted Pt-complexing approachcitations
- 2020Platinum recycling through electroless dissolution under mild conditions using a surface activation assisted Pt-complexing approachcitations
- 2017Growth of aluminum oxide on silicon carbide with an atomically sharp interfacecitations
- 2016The effect of trace amounts of copper on the microstructure, stability and oxidation of macroporous silicon carbidecitations
- 2016The effect of trace amounts of copper on the microstructure, stability and oxidation of macroporous silicon carbidecitations
- 2016The role of aluminium as an additive element in the synthesis of porous 4H-silicon carbidecitations
- 2016The role of aluminium as an additive element in the synthesis of porous 4H-silicon carbidecitations
- 2015The role of Aluminium in the synthesis of Mesoporous 4H Silicon Carbide
- 2015The role of Aluminium in the synthesis of Mesoporous 4H Silicon Carbide
- 2013Investigations on sputter deposited LiCoO2 thin films from powder targetcitations
- 2009Self-activated, self-limiting reactions on Si surfaces
- 2006Epitaxial growth of Al on Si(1 1 1) with Cu buffer layerscitations
Places of action
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article
The role of aluminium as an additive element in the synthesis of porous 4H-silicon carbide
Abstract
<p>Addition of 5 at.% aluminium to silicon and carbon in the process of forming SiC monoliths for use as diesel particle filters and catalyst supports, creates mechanically stable, well connected, and highly porous 4H-SiC structures. These monoliths have 65 % accessible porosity with pore diameters of 17 − 20 μm. Mixtures of silicon, graphite, aluminium and water, are extruded into honeycomb structures and heated under nitrogen and argon. The 2H-AlN crystalline assembly formed during initial heating under nitrogen at 850 °C acts as a template for the subsequent reaction between silicon and graphite under argon to yield 3C-SiC. During a final high temperature step under argon at 1950 °C, Al-vapour/liquid is crucial for the transformation of 3C-SiC to 4H-SiC. This final step also alters the SiC crystal morphology significantly and produces large by-product crystals of Al<sub>4</sub>C<sub>3</sub>·mSiC·nAlN. The polytypic conversion and recrystallization mechanism were found, in this case, to be independent phenomena.</p>