| 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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Schmidt, Søren
European Spallation Source
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2020A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloyscitations
- 2020A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloys
- 2019Laue three dimensional neutron diffractioncitations
- 2017Electromechanical Response of Polycrystalline Barium Titanate Resolved at the Grain Scalecitations
- 2017Alloy design as an inverse problem of cluster expansion modelscitations
- 2017Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structurescitations
- 2017Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structurescitations
- 2017Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structurescitations
- 2016Direct observation of grain rotations during coarsening of a semisolid Al-Cu alloycitations
- 2016Direct observation of grain rotations during coarsening of a semisolid Al-Cu alloycitations
- 2015On the deformation twinning of Mg AZ31Bcitations
- 2015On the deformation twinning of Mg AZ31B:A three-dimensional synchrotron X-ray diffraction experiment and crystal plasticity finite element modelcitations
- 2015On the deformation twinning of Mg AZ31B: A three-dimensional synchrotron X-ray diffraction experiment and crystal plasticity finite element modelcitations
- 2014Direct observation of grain boundary migration during recrystallization within the bulk of a moderately deformed aluminium single crystalcitations
- 2014Grain centre mapping - 3DXRD measurements of average grain characteristics.
- 2011Grain-resolved elastic strains in deformed copper measured by three-dimensional X-ray diffractioncitations
- 2011Three-Dimensional Orientation Mapping in the Transmission Electron Microscopecitations
- 2009Structured scintillators for X-ray imaging with micrometre resolutioncitations
- 2009New opportunities for 3D materials science of polycrystalline materials at the micrometre lengthscale by combined use of X-ray diffraction and X-ray imagingcitations
- 2009New opportunities for 3D materials science of polycrystalline materials at the micrometre lengthscale by combined use of X-ray diffraction and X-ray imagingcitations
- 2009Measuring the elastic strain of individual grains in a polycrystalline material - extending a micro-scale technique to the nano-regime
- 2009Measuring the elastic strain of individual grains in polycrystalline materials
- 2009Time Evolution in 3D Metal Microstructures-Recrystallizationcitations
- 2009Time Evolution in 3D Metal Microstructures-Recrystallizationcitations
- 2008A high-spatial-resolution three-dimensional detector array for 30-200 keV X-rays based on structured scintillatorscitations
- 2007Simulations of boundary migration during recrystallization using molecular dynamicscitations
- 2007Simulations of boundary migration during recrystallization using molecular dynamicscitations
- 2007Effects of distributions of growth rates on recrystallization kinetics and microstructurecitations
- 2007Effects of distributions of growth rates on recrystallization kinetics and microstructurecitations
- 2004Simultaneous measurement of the strain tensor of 10 individual grains embedded in an Al tensile samplecitations
- 2004Metal Microstructures in Four Dimensions
Places of action
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article
Direct observation of grain rotations during coarsening of a semisolid Al-Cu alloy
Abstract
Sintering is a key technology for processing ceramic and metallic powders into solid objects of complex geometry, particularly in the burgeoning field of energy storage materials. The modeling of sintering processes, however, has not kept pace with applications. Conventional models, which assume ideal arrangements of constituent powders while ignoring their underlying crystallinity, achieve at best a qualitative description of the rearrangement, densification, and coarsening of powder compacts during thermal processing. Treating a semisolid Al-Cu alloy as a model system for late-stage sintering-during which densification plays a subordinate role to coarsening-we have used 3D X-ray diffraction microscopy to track the changes in sample microstructure induced by annealing. The results establish the occurrence of significant particle rotations, driven in part by the dependence of boundary energy on crystallographic misorientation. Evidently, a comprehensive model for sintering must incorporate crystallographic parameters into the thermodynamic driving forces governing microstructural evolution.