| 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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Krohmer, Erwin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2022Experimental observation of stress formation during selective laser melting using in situ X-ray diffraction
- 2022Revealing dynamic processes in laser powder bed fusion with in situ X-ray diffraction at PETRA IIIcitations
- 2022Internal stress evolution and subsurface phase transformation in titanium parts manufactured by laser powder bed fusion—An in situ X-ray diffraction study
- 2022In situ microstructure analysis of Inconel 625 during laser powder bed fusioncitations
- 2022A laser powder bed fusion system for in situ x-ray diffraction with high-energy synchrotron radiation
- 2021Internal Stress Evolution and Subsurface Phase Transformation in Titanium Parts Manufactured by Laser Powder Bed Fusion - An In Situ X-Ray Diffraction Studycitations
- 2021Effects on the distortion of Inconel 718 components along a hybrid laser‑based additive manufacturing process chain using laser powder bed fusion and laser metal depositioncitations
- 2021Internal Stress Evolution and Subsurface Phase Transformation in Titanium Parts Manufactured by Laser Powder Bed Fusion—An In Situ X‐Ray Diffraction Studycitations
- 2021In situ microstructure analysis of Inconel 625 during laser powder bed fusioncitations
- 2021In Situ Investigation of the Rapid Solidification Behavior of Intermetallic $γ$‐TiAl‐Based Alloys Using High‐Energy X‐Ray Diffractioncitations
- 2021In Situ Investigation of the Rapid Solidification Behavior of Intermetallic γ-TiAl-Based Alloys Using High-Energy X-Ray Diffractioncitations
- 2020Experimental observation of stress formation during selective laser melting using in situ X-ray diffractioncitations
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article
In Situ Investigation of the Rapid Solidification Behavior of Intermetallic γ-TiAl-Based Alloys Using High-Energy X-Ray Diffraction
Abstract
Representing an attractive new processing method, additive manufacturing can be used to manufacture parts made of γ-TiAl-based alloys for high-temperature applications. However, in terms of nucleation during rapid solidification and subsequent solid-state phase transformations, the process is not yet fully understood, and research is still going on. This article focuses on a setup to study solidification processes during laser melting via in situ high-energy X-ray diffraction at a synchrotron radiation source. To create conditions similar to those encountered in powder bed-based additive manufacturing processes, such as electron beam melting or selective laser melting, a thin platelet is laser-melted on its upper edge. Phase transitions are measured simultaneously via high-energy X-ray diffraction in transmission geometry. The use of a thin platelet instead of the usual powder bed precludes the unfavorable contribution of solid phases from surrounding powder particles to the diffraction signal. First results of the in situ high-energy X-ray diffraction experiment on a Ti–48Al–2Nb–2Cr (in at%) alloy prove the applicability of the used setup for an accurate tracing of phase transformations upon rapid solidification.