| 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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Calvo-Dahlborg, Monique
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Effect of Y2O3 addition on the microstructure and mechanical properties of an Al1.8CoCrCu0.5FeNi BCC HEAcitations
- 2021Investigation into the magnetic properties of CoFeNiCryCux alloyscitations
- 2021Design and production of a new feconicralcu high-entropy alloy: influence of powder production method on sinteringcitations
- 2021Design and Production of a New FeCoNiCrAlCu High-Entropy Alloy: Influence of Powder Production Method on Sinteringcitations
- 2016Structural and Microstructural Characterization of CoCrFeNiPd High Entropy Alloyscitations
- 2011Gas atomization of Al-Ni powders: Solidification modeling and neutron diffraction analysiscitations
- 2009Identification of phases in gas-atomised droplets by combination of neutron and X-ray diffraction techniques with atom probe tomographycitations
- 2003Amorphous alloy composition with high glass-formation ability in the pseudoternary Zr-[IQC-Al62Cu25.5Fe12.5]-[DQC-Al70Co15Ni15] alloy systemcitations
- 2002Synthesis of Cu47Ti34Zr11Ni8Bulk Metallic Glass by Warm Extrusion of Gas Atomized Powderscitations
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article
Gas atomization of Al-Ni powders: Solidification modeling and neutron diffraction analysis
Abstract
Powerful catalysts may be produced from gas atomized Al-Ni powders. The efficiency of these catalysts depends on the amount of the different phases formed during solidification. The present paper reports on the analysis of these transformations by combining experiments and simulations. Firstly, the volume fractions of phases in gas atomized Al-Ni powders are determined for several compositions and size ranges using neutron diffraction analysis. Additionally, solidification paths are simulated with a model previously validated for concurrent dendritic, peritectic and eutectic phase transformations in binary alloys. The measurements demonstrate a strong dependence of phase fractions on particle size, as well as an inversion of trends with composition. The predictions of the model show good agreement with the measurements. Details of the simulations clarify the combined roles of the kinetics of cooling, the solute diffusion in phases as well as the growth kinetics of microstructures. These advanced interpretations should open the way to the production of further optimized catalysts.