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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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Nečina, Vojtěch
University of Chemistry and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Elastic properties and microstructure evolution of Zn2SnO4-spinel-containing composite ceramics based on tin oxide and zinc oxidecitations
- 2024Temperature dependence of Young's modulus and the occurrence of an elastic anomaly in porous alumina-mullite composites prepared by starch consolidation castingcitations
- 2023Highly textured 3D-printed translucent alumina through pressure-assisted sinteringcitations
- 2023The effect of LiF on preparation of transparent Eu:La2Zr2O7 ceramics by SPScitations
- 2023High-temperature mechanical behavior of partially sintered ceramicscitations
- 2022Magnesium fluoride (MgF2) – A novel sintering additive for the preparation of transparent YAG ceramics via SPScitations
- 2021Microstructure and Young's modulus evolution during re-sintering of partially sintered alumina-zirconia composites (ATZ ceramics)citations
- 2021Grain growth of MgAl2O4 ceramics with LiF and NaF additioncitations
- 2021Transparent MgAl2O4 spinel ceramics prepared via sinter-forgingcitations
- 2021PARTIALLY SINTERED LEAD-FREE CERAMICS FROM PIEZOELECTRIC POWDERS PREPARED VIA CONVENTIONAL FIRING AND SPARK PLASMA SINTERING (SPS) - CHARACTERIZATION OF MICROSTRUCTURE AND DIELECTRIC PROPERTIEScitations
- 2021Sintering aids, their role and behaviour in the production of transparent ceramicscitations
- 2020Influence of the heating rate on grain size of alumina ceramics prepared via spark plasma sintering (SPS)citations
- 2020Highly dense spinel ceramics with completely supressed grain growth prepared via SPS with NaF as a sintering additivecitations
- 2020Comparison of the effect of different alkali halides on the preparation of transparent MgAl2O4 spinel ceramics via spark plasma sintering (SPS)citations
- 2020Temperature dependence of Young's modulus and damping of partially sintered and dense zirconia ceramicscitations
Places of action
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article
Grain growth of MgAl2O4 ceramics with LiF and NaF addition
Abstract
The effects of LiF and NaF sintering additives on the grain growth of spinel ceramics prepared via spark plasma sintering (SPS) are investigated and compared for dwell times in the range 0–120 min. Absence of sintering additives resulted in abnormal grain growth, whereas LiF addition allowed continuous (normal) grain growth, although with final grain size larger by a factor 12 after 120 min dwell time. By contrast, NaF is the other extreme, its addition results in very little grain growth (by a factor of only 1.2 after 120 min dwell time), thus preserving a grain size very close to nanometric. Occasionally, large highly faceted grains were observed, indicating inadequate homogenization in the case of spinel ceramics with NaF addition. Nevertheless, it seems that addition of NaF is suitable for the preparation of dense nanocrystalline spinel ceramics without any extreme conditions applied (high pressure).