| 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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Thuault, Anthony
Laboratoire de Mécanique et Procédés de Fabrication
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2023Microwave-assisted debinding of Al2O3 parts printed by stereolithographycitations
- 2022Fabrication of doped b-tricalcium phosphate bioceramics by robocasting for bone repair applications
- 2022Fabrication of doped b-tricalcium phosphate bioceramics by robocasting for bone repair applications
- 2021Effect of build orientation on the manufacturing process and the properties of stereolithographic dental ceramics for crown frameworkscitations
- 2021Fabrication of higher thermal stability doped β-tricalcium phosphate bioceramics by robocasting
- 2021Influence of dopants on thermal stability and densification of β-tricalcium phosphate powderscitations
- 2021Mechanical modelling of microwave sintering and experimental validation on an alumina powdercitations
- 2020Mechanical properties of thermally sprayed porous alumina coating by Vickers and Knoop indentationcitations
- 2020Mechanical properties of thermally sprayed porous alumina coating by Vickers and Knoop indentationcitations
- 2020Coupling additive manufacturing and microwave sintering: A fast processing route of alumina ceramicscitations
- 2020Fabrication of higher thermal stability doped β-tricalcium phosphate bioceramics by robocasting
- 2020Influence of microwave sintering on electrical properties of BCTZ lead free piezoelectric ceramicscitations
- 2020Experimental study and thermal mechanical modelling for alumina
- 2019Tribological behavior of composites fabricated by reactive SPS sintering in Ti‐Si‐C systemcitations
- 2018Unconventional Sintering of a Commercial Cemented WC-6Co Hardmetal
- 2017Comparison of conventional Knoop and Vickers hardness of ceramic materialscitations
- 2017Stereolithography ; Stereolithography: A new method for processing dental ceramics by additive computer-aided manufacturingcitations
- 2017Mechanical characterization of brittle materials using instrumented indentation with Knoop indentercitations
- 2015Damage Analysis of a Ferritic SiMo Ductile Cast Iron Submitted to Tension and Compression Loadings in Temperaturecitations
- 2015Comparison of Conventional and Microwave Sintering of Bioceramicscitations
- 2014Microwave sintering of large size pieces with complex shapecitations
- 2014Effects of microwave sintering on intrinsic defects concentrations in ZnO-based varistorscitations
- 2013Processing of reaction-bonded B4C-SiC composites in a single-mode microwave cavitycitations
- 2013Frittage micro-ondes en cavité monomode de biocéramiquescitations
- 2013Interrelation Between the Variety and the Mechanical Properties of Flax Fibrescitations
Places of action
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article
Influence of dopants on thermal stability and densification of β-tricalcium phosphate powders
Abstract
peer reviewed ; In this work, β-tricalcium phosphate (β-TCP) is doped with Mg2+ and Sr2+ in order to postpone the problematic β-TCP → α-TCP transition occurring from 1125 °C. Indeed, this phase transition occurs with a large lattice expansion during sintering causing microcracks and a reduced shrinkage leading to poor mechanical properties of ceramic parts. The substitution of calcium by cations like Mg2+ and Sr2+ allows to increase the temperature corresponding to β→α-TCP transition and therefore to increase the sintering temperature and achieve higher densification level. Three doping rates for each dopant individually (2.25, 4.50 and 9.00 mol%) and two co-doped compositions (2.00 mol% and 4.00 mol% of Mg2+ and Sr2+ simultaneously) were tested. Thermal and dilatometric analyses were used to evaluate the effects of Mg2+ and Sr2+ doping on the thermal stability of β-TCP. It has been shown that all doping, except the 2.25 mol% Sr-TCP, postpone the β→α transition. These results were confirmed after conventional and microwave sintering. Indeed, X-ray diffraction analyses of sintered pellets showed that the only phase present is β-TCP up to 1300 °C in all compositions except for the 2.25 mol% Sr-TCP with both sintering ways. Moreover, a higher densification rate is observed with the presence of dopants compared to undoped β-TCP according to the microstructures and relative densities close to 100%. Finally, the duration of microwave sintering is almost sixteen times shorter compared to conventional sintering allowing rapid densification with similar final relative densities and microstructures with finer grains.