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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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Garnier, V.
Institut National des Sciences Appliquées de Lyon
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Benchmarking the integration of hexagonal boron nitride crystals and thin films into graphene-based van der Waals heterostructurescitations
- 2022Dielectric permittivity, conductivity and breakdown field of hexagonal boron nitridecitations
- 2021Robocasting of highly porous ceramics scaffolds with hierarchized porositycitations
- 2021How Investigators Can Answer More Complex Questions About Assess Concrete Strength and Lessons to Draw from a Benchmarkcitations
- 2019Mechanical, thermal and electrical properties of nanostructured CNTs/SiC compositescitations
- 2019Fabrication of Y6MoO12 molybdate ceramics: From synthesis of cubic nano-powder to sinteringcitations
- 2018Mechanical, thermal and electrical properties of nanostructured CNTs/SiC compositescitations
- 2018Non Destructive Evaluation of the durability and damages of concrete in nuclear power plant
- 2018Surface damage on polycrystalline $beta$-SiC by xenon ion irradiation at high fluencecitations
- 2018Room temperature plasticity and phase transformation of nanometer-sized transition alumina nanoparticles under pressurecitations
- 2015Effects of carbon and oxygen on the spark plasma sintering additive-free densification and on the mechanical properties of nanostructured SiC ceramicscitations
- 2014Effect of solid particle impact on light transmission of transparent ceramics: Role of the microstructurecitations
- 2014Multiphase composites obtained by sintering reaction of boehmite and zircon part I: Development and microstructural characterization
- 2014Elaboration and characterization of multiphase composites obtained by reaction sintering of boehmite and zircon
- 2012Pressure-less spark plasma sintering effect on non-conventional necking process during the initial stage of sintering of copper and aluminacitations
- 2011Spark plasma sintering kinetics of pure α-aluminacitations
- 2011A comparative study of TiN and TiC: Oxidation resistance and retention of xenon at high temperature and under degraded vacuumcitations
- 2010Kinetics of mullite formation in zircon and boehmite mixturecitations
Places of action
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article
Robocasting of highly porous ceramics scaffolds with hierarchized porosity
Abstract
International audience ; A novel hybrid process combining robocasting and starch-consolidation method, enabling the fabrication of ceramic scaffolds with porosity as high as 85%, is developed and applied to the fabrication of zirconia. This process enables a precise control of the volume and size of the porosity. It also allows its hierarchization over 4 decades of length scales and up to three porosity families: i – macroscopic, from 100 µm to 2 mm and controlled by the robocasting design, ii – micronic, from 2 µm to 70 µm and controlled through the addition of starches as pore former in the printing past, and iii - sub-micronic, with a characteristic size of 200 nm and induced by a partial sintering step.The high porosity fraction and the precise control of its size distribution are above those usually found in porous ceramics fabricated with robocasting. Mechanicals properties of such porous scaffolds, investigated in compressive testing, depend both on the porous fraction and pores shape. Moreover, they are closely related to those of individual filaments produced by the same robocasting process.Thus, additive manufacturing combined with more conventional porous ceramics fabrication techniques show a big step forward for both increasing and tailoring the porosity in order to produce complex porous structures necessary for various applications in bio-medical or energy storage fields.