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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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Henein, Hani
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2023The most sustainable high entropy alloys for the future
- 2023Influence of Minor Additions of Be on the Eutectic Modification of an Al-33wt.%Cu Alloy Solidified under Transient Conditionscitations
- 2023Development and Application of a Thermal Microstructure Model of Laminar Cooling of an API X70 Microalloyed Steel
- 2017Solidification of Undercooled Melts of Al-Based Alloys on Earth and in Spacecitations
- 2016Quantification of Primary Dendritic and Secondary Eutectic Nucleation Undercoolings in Rapidly Solidified Hypo-Eutectic Al-Cu Dropletscitations
- 2015Characterization of dendrite morphologies in rapidly solidified Al–4.5wt.%Cu dropletscitations
- 2015Evolution of the dendritic morphology with the solidification velocity in rapidly solidified Al- 4.5wt.%Cu dropletscitations
- 2014Dendrite growth morphologies in rapidly solidified Al-4.5wt.%Cu dropletscitations
- 2013Quantification of primary dendritic and secondary eutectic undercoolings of rapidly solidified Al-Cu droplets
- 2013Quantification of primary dendritic and secondary eutectic undercoolings of rapidly solidified Al-Cu droplets
- 2012Quatification of primary phase undercooling of rapidly solidified droplets with 3D microtomographycitations
- 2012Quatification of primary phase undercooling of rapidly solidified droplets with 3D microtomographycitations
- 2012Neutron diffraction analysis and solidification modeling of Impulse-Atomized Al-36 wt%Nicitations
- 2011Containerless solidification and characterization of industrial alloys (NEQUISOL)citations
- 2011Non-equilibrium solidification, modelling for microstructure engineering of industrial alloys (NEQUISOL)
- 2010Droplet Solidification of Impulse Atomized Al-0.61Fe and Al-1.9Fe
- 2009A Solidification Model for Atomizationcitations
- 2008Non-equilibrium and near-equilibrium solidification of undercooled melts of Ni- and Al-based alloyscitations
- 2008The Effect of Eutectic Undercooling on Microsegregation of Rapidly Solidified Al-Cu Droplets
- 2006Atomized droplet solidification as an equiaxed growth modelcitations
- 2004X-ray tomography study of atomized al-cu droplets citations
- 2004Modeling of Heat and Solute Flows during Solidification of Droplets
Places of action
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article
X-ray tomography study of atomized al-cu droplets
Abstract
The atomization of metals and alloys results in the rapid solidification of droplets which yields a complex interplay of nucleation undercooling, recalescence and microsegregation. Characterization of the solidified microstructure has been studied using conventional optical and scanning electron microscopy (SEM). These techniques provide limited information as only a finite number of sections of the powder can be examined. X-ray tomography using synchrotron radiation with a 1 μm beam resolution was used to generate a 3D image for the entire volume of a particle and was compared to microscopic images. The tomography experiments were carried out on Al5%Cu and Al17%Cu atomized droplets of 500 μm in diameter. Microstructural features of solidification such as shrinkage, nucleation and recalescence which are apparent in the 3D images are discussed and compared with conventional characterization methods.