| 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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Gremillard, Laurent
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (39/39 displayed)
- 2024Ceramics and ceramic composites for biomedical engineering applications via Direct Ink Writing: Overall scenario, advances in the improvement of mechanical and biological properties and innovationscitations
- 2024Elaboration of lead-free piezoelectric ceramics by Direct Ink Writing for acoustic transducer applications
- 2023Elaboration of BaTiO3 piezoceramics by Direct Ink Writing for acoustic application
- 2023Mg2+, Sr2+, Ag+, and Cu2+ co‐doped β‐tricalcium phosphate: Improved thermal stability and mechanical and biological propertiescitations
- 2023Towards the additive manufacturing of Zr-based metallic glasses using liquid phase sintering: Reactivity and phase transformation kinetics at the crystalline/amorphous interface
- 2023In situ synchrotron study of sintering of gas-atomized Ti-6Al-4 V powders using concomitant micro-tomography and X-ray diffraction: Effect of particle size and interstitials on densification and phase transformation kineticscitations
- 2023Combination of chemical foaming and direct ink writing for lightweight geopolymerscitations
- 2021Electrospinning of in situ synthesized silica-based and calcium phosphate bioceramics for applications in bone tissue engineering: A reviewcitations
- 2021Design of advanced one-step hydroxyapatite coatings for biomedical applications using the electrostatic spray depositioncitations
- 2021Robocasting of highly porous ceramics scaffolds with hierarchized porositycitations
- 2021One-step fabrication of single-phase hydroxyapatite coatings on Ti-alloy implants by electrostatic spray deposition: From microstructural investigation to in vitro studiescitations
- 2021Modeling of interstitials diffusion during debinding/sintering of 3D printed metallic filaments: Application to titanium alloy and its embrittlementcitations
- 2020Chemical and morphological properties of electrosprayed calcium phosphate coatings
- 2020Hierarchical salt-ceramic composites for efficient thermochemical energy storagecitations
- 2020Double Torsion testing of thin porous zirconia supports for energy applications: Toughness and slow crack growth assessmentcitations
- 2019Design of calcium phosphate coatings for biomedical applications using the electrostatic spray deposition technique
- 2019Deposition of calcium phosphate coatings using the electrostatic spray deposition technique
- 2019Fabrication of innovative calcium phosphate bioceramics using the electrostatic spray deposition technique.
- 2019Fabrication and characterization of hardystonite-chitosan biocomposite scaffoldscitations
- 2019Porosity evolution of expanded vermiculite under pressure: the effect of pre-compactioncitations
- 2017Design, manufacturing, and characterization of copper capillary structures for loop heat pipescitations
- 2017Modeling and in‐situ evaluation of thermal gradients during sintering of large ceramic ballscitations
- 2017Fracture behavior of robocast HA/beta-TCP scaffolds studied by X-ray tomography and finite element modelingcitations
- 2017Ageing, Shocks and Wear Mechanisms in ZTA and the Long‐Term Performance of Hip Joint Materialscitations
- 2016Selective etching of injection molded zirconia-toughened alumina: towards osseointegrated and antibacterial ceramic implantscitations
- 2013Organic-inorganic composites for bone substitute and bone repair applications: concepts, first results and potentialities
- 2013A global investigation into in situ nanoindentation experiments on zirconia: from the sample geometry optimization to the stress nanolocalization using convergent beam electron diffractioncitations
- 2013Evidence for the formation of distorted nanodomains involved in the phase transformation of stabilized zirconia by coupling convergent beam electron diffraction and in situ TEM nanoindentationcitations
- 20133D-Characterization of the veneer-zirconia interface using FIB nano-tomography.citations
- 2013Sintering behaviour of diopside (CaO center dot MgO center dot 2SiO(2))-fluorapatite (9CaO center dot 3P(2)O(5)center dot CaF2) bioactive glasscitations
- 2012Degradation of Bioceramics.citations
- 2012Sintering behavior of lanthanide-containing glass-ceramic sealants for solid oxide fuel cellscitations
- 2011Reliability assessment in advanced nanocomposite materials for orthopaedic applicationscitations
- 2009The Tetragonal-Monoclinic Transformation in Zirconia: Lessons Learned and Future Trendscitations
- 2008Sintering behavior of 45S5 bioactive glass
- 2007Sintering, crystallisation and biodegradation behaviour of Bioglass®-derived glass-ceramics
- 2007Structural transformations of bioactive glass 45S5next term with thermal treatmentscitations
- 2004Accelerated aging in 3mol.p.c. yttria stabilized zirconia ceramics sintered in reducing conditions
- 2004Modeling the aging kinetics of zirconia ceramics
Places of action
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article
A global investigation into in situ nanoindentation experiments on zirconia: from the sample geometry optimization to the stress nanolocalization using convergent beam electron diffraction
Abstract
Nanoindentation experiments inside a transmission electron microscope (TEM) are of much interest to characterize specific phenomena occuring in materials, like for instance dislocation movements or phase transformations. The key points of these experiments are i) the sample preparation and the optimization of its geometry to obtain reliable results and ii) the choice of the TEM observation mode, which will condition the type of information which can be deduced from the experiment. In this paper, we will focus on these two key points in the case of nanoindentation of zirconia, which is a ceramic material well known to be sensitive to stress since it can undergo a phase transformation. In this case, the information sought is the stress localization at the nanometer scale and in real time.As far as the sample preparation is concerned, one major drawback of nanoindentation inside a TEM is indeed a possible bending of the sample occurring during compression, which is detrimental to the experiment interpretation (the stress is not uniaxial anymore). In this paper, several sample preparation techniques have been used and compared to optimize the geometry of the sample to avoid bending. The results obtained on sample preparation can be useful for the preparation of ceramics samples but can also give interesting clues and experimental approaches to optimize the preparation of other kinds of materials.The second part of this paper is devoted to the second key point, which is the determination of the stress localization associated to the deformation phenomena observed by nanoindentation experiments. In this paper, the use of Convergent Beam Electron Diffraction (CBED) has been investigated and this technique could have been successfully coupled to nanoindentation experiments. Coupled nanoindentation experiments and CBED analyses have finally been applied to characterize the phase transformation of zirconia.