| 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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Guipont, Vincent
Mines Paris - PSL
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2024Thermal Barrier Coatings in burner rig experiment analyzed through LAser Shock for DAmage Monitoring (LASDAM) methodcitations
- 2023Driving forces in thermal barrier coatings blisteringcitations
- 2022Investigation of the deformation behavior of agglomerated ceramic powders by cold spray
- 2022Assessment of agglomerated ceramic powders under impact by cold spraying
- 2022Assessment of agglomerated ceramic powders under impact by cold spraying
- 2019Development of Environmental Barrier Coatings on Ceramic Matric Composites assisted by LASAT (Laser Shock Adhesion Test)
- 2019Laser Shock Adhesion Test (LASAT) Applied to Bioceramic Coatings Involving Two-Dimensional Shock Wave Propagation
- 2017Cold spray coating of submicronic ceramic particles on poly(vinyl alcohol) in dry and hydrogel statescitations
- 2017Study of the interface strength and residual stresses within plasma sprayed alumina coatings involving LASAT (Laser Shock Adhesion Test)
- 2016Cold spray of agglomerated submicronic hydroxyapatite powders for biomedical applications
- 2015Microstructure and tribological behavior of copper and composite copper+alumina cold sprayed coatings for various alumina contentscitations
- 2014Residual Stress Analysis of Laser-Drilled Thermal Barrier Coatings Involving Various Bond Coatscitations
- 2012B4C/Ni composite coatings prepared by cold spray of blended or CVD-coated powderscitations
- 2012Metallization of a polymer using cold spray : application to aluminum coating of polyamide 66
- 2012Study of delamination induced by laser drilling of thermally sprayed TBC interfaces
- 2012Damage study of cold-sprayed composite materials for application to electrical contactscitations
- 2012Interconnected porosity modification of plasma sprayed alumina coating using excimer laser surface treatment
- 2012Lifetime of cold-sprayed electrical contactscitations
- 2011Laser-induced damage in cold-sprayed composite coatingscitations
- 2011The influence of the substrate on the deposition of cold sprayed titanium : an experimental and numerical studycitations
- 2010Structural and mechanical properties of titanium oxide thin films for biomedical applicationcitations
- 2010Laser Shock Adhesion Test (LASAT) of electron beam physical vapor deposited thermal barrier coatings (EB-PVD TBCs)citations
- 2009Microstructural study of copper and copper/alumina composite coatings produced by cold spray processcitations
- 2008Two-dimensional (2D) and three dimensional (3D) analyses of plasma sprayed alumina microstructures for finite-element simulation of Young's moduluscitations
- 2008Study of the porosity in plasma-sprayed alumina through an innovative three-dimensional simulation of the coating buildupcitations
- 2007A composite approach to Al2O3 based plasma-sprayed coatings
- 2006A composite approach to Al2O3 based plasma-sprayed coatings
- 2005The laser shock adhesion test (LASAT) for production control of thermally sprayed ceramic coatings
- 2004Process-microstructure-property relationships in controlled atmosphere plasma spraying of ceramicscitations
Places of action
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document
Assessment of agglomerated ceramic powders under impact by cold spraying
Abstract
Most of ductile metals can be deposited by cold spray (CS). For brittle ceramic, such solid-state deposition process is still questionable, but some recent work on Ti02 or hydroxyapatite powders have shown that micrometric ceramic powder could be deposited by CS. In this work, it is claimed that the nature and the porous architecture of a ceramic powder with agglomerated ultra-fine grains play an important role on the impact behaviour. The aim of this work is to investigate the deformation behaviour of ceramic agglomerated powders under high velocity impact. Two different powders, respectively 3YSZ and Y2O3, were selected in order to study their architectures (particle size, porosity, density, crystallite size, etc.). Cold spray "splats" experiments, with various spraying distances to vary the particles velocities upon impact, were carried out to observe the deformation and fragmentation. In case of Y2O3, cold spray with dynamic vacuum surrounding atmosphere up to 3kPa were also prepared to evaluate the role of the atmosphere on the resulting impact. In parallel, in situ SEM micro-compression tests at 10 −2 s −1 on cross-sectioned 3YSZ particles involving flat-punch nano-indentation and micropillar compression were performed. By modelling the compression tests, the aim is to identify a Drücker-Prager behaviour law suitable for an agglomerated ceramic powder under quasi-static compression. Such deformation behaviour could help to better understand the compaction behaviour of agglomerated powders.