| 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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Laube, Stephan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Creep behavior of a precipitation-strengthened A2-B2 refractory high entropy alloy
- 2024Oxygen-induced decomposition of the body-centered cubic HfNbTaTiZr high-entropy alloy
- 2024Creep behavior and deformation mechanisms of precipitation-strengthened refractory high entropy alloys
- 2023Characterization of the metal fused filament fabrication process for manufacturing of pure copper inductorscitations
- 2023Phasenumwandlungen zur systematischen Gefügeeinstellung mehrphasiger Ta-Mo-Ti-Cr-Al-Legierungen
- 2023Phasenumwandlungen zur systematischen Gefügeeinstellung mehrphasiger Ta-Mo-Ti-Cr-Al-Legierungen
- 2023Formation and thermal stability of two-phase microstructures in Al-containing refractory compositionally complex alloys
- 2023Characterization of phase transformation and strengthening mechanisms in a novel maraging steel produced using laser-based powder bed fusioncitations
- 2023Characterization of the Metal Fused Filament Fabrication Process for Manufacturing of Pure Copper Inductors
- 2022Role of orientation relationship for the formation of morphology and preferred orientation in NiAl-(Cr,Mo) during directional solidificationcitations
- 2022Formation and thermal stability of two-phase microstructures in Al-containing refractory compositionally complex alloyscitations
- 2020Controlling crystallographic ordering in Mo–Cr–Ti–Al high entropy alloys to enhance ductilitycitations
- 2020Solid solution strengthening and deformation behavior of single-phase Cu-base alloys under tribological loadcitations
- 2020Formation of complex intermetallic phases in novel refractory high-entropy alloys NbMoCrTiAl and TaMoCrTiAl: Thermodynamic assessment and experimental validationcitations
- 2020A zone melting device for the in situ observation of directional solidification using high-energy synchrotron x rayscitations
- 2020Tribological performance and microstructural evolution of α-brass alloys as a function of zinc concentrationcitations
Places of action
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article
A zone melting device for the in situ observation of directional solidification using high-energy synchrotron x rays
Abstract
Directional solidification (DS) is an established manufacturing process to produce high-performance components from metallic materials with optimized properties. Materials for demanding high-temperature applications, for instance in the energy generation and aircraft engine technology, can only be successfully produced using methods such as directional solidification. It has been applied on an industrial scale for a considerable amount of time, but advancing this method beyond the current applications is still challenging and almost exclusively limited to post-process characterization of the developed microstructures. For a knowledge-based advancement and a contribution to material innovation, in situ studies of the DS process are crucial using realistic sample sizes to ensure scalability of the results to industrial sizes. Therefore, a specially designed Flexible Directional Solidification (FlexiDS) device was developed for use at the P07 High Energy Materials Science beamline at PETRA III (Deutsches Elektronen–Synchrotron, Hamburg, Germany). In general, the process conditions of the crucible-free, inductively heated FlexiDS device can be varied from 6 mm/h to 12 000 mm/h (vertical withdrawal rate) and from 0 rpm to 35 rpm (axial sample rotation). Moreover, different atmospheres such as Ar, N2, and vacuum can be used during operation. The device is designed for maximum operation temperatures of 2200 °C. This unique device allows in situ examination of the directional solidification process and subsequent solid-state reactions by x-ray diffraction in the transmission mode. Within this project, different structural intermetallic alloys with liquidus temperatures up to 2000 °C were studied in terms of liquid–solid regions, transformations, and decompositions, with varying process conditions.