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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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Laptev, Alexander
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Tooling in Spark Plasma Sintering Technology: Design, Optimization, and Applicationcitations
- 2017Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
- 2007The influence of percolation during pulsed electric current sintering of ZrO2-TiN powder compacts with varying TiN contentcitations
- 2007Field assisted sintering of electro-conductive ZrO2-based compositescitations
- 2005Microstructure and mechanical properties of spark plasma sintered ZrO2-Al2O3-TiC0.5N0.5 nanocomposites
- 2005Modelling of the temperature distribution during field assisted sinteringcitations
- 2003Near net shape fabrication of highly porous parts by powder metallurgy
Places of action
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article
Field assisted sintering of electro-conductive ZrO2-based composites
Abstract
In order to reveal the fundamentals of the field assisted sintering technique (FAST), also known as spark plasma sintering (SPS), the evolution of the current density and temperture distribution in the punch-die-sample set-up during FAST of ZrO2-TiN powder mixtures was modeled by finite element calculations supported by in situ measured electrical and thermal input data. The thermal and electrical properties of partially sintered composite powder compacts were estimated using theoretical mixture rules, allowing to calculate the current density and temperature distribution inside the tool and the specimen during the FAST sintering process. The electrical properties of the sintering composite powder compact, and hence the thermal distribution in the sinter set-up, changed drastically during densification once percolations occurred. Based on the calculated thermal distribution inside the composite powder compact, an optimal tool-powder compact design was determined in order to process electrically conductive ZrO2-TiN composites from electrical insulating powder compacts within minutes with high reproducibility. ; status: published