| 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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Wegner, Jan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023Laser powder bed fusion of Cu-Ti-Zr-Ni bulk metallic glasses in the Vit101 alloy systemcitations
- 2023Influence of oxygen in the production chain of Cu–Ti-based metallic glasses via laser powder bed fusion
- 2023Funktionalisierung der prozessinhärenten Abkühlraten des Laser-Strahlschmelzens zur Verarbeitung metallischer Massivgläser
- 2023Analytical Modeling of Cooling Rates in PBF-LB/M of Bulk Metallic Glasses
- 2023Funktionalisierung der prozessinhärenten Abkühlraten des Laser-Strahlschmelzens zur Verarbeitung metallischer Massivgläser ; Functionalisation of the process-inherent cooling rates of the laser powder bed fusion process for the fabrication of bulk metallic glasses
- 2023Additively Manufactured Iron-Based Bulk Metallic Glass Composite Electrocatalysts: Effect of Microstructural States on the Oxygen Evolution Reaction Activitycitations
- 2022Properties of gas-atomized Cu-Ti-based metallic glass powders for additive manufacturingcitations
- 2021Influence of powder characteristics on the structural and the mechanical properties of additively manufactured Zr-based bulk metallic glasscitations
- 2021Thermoplastic forming of additively manufactured Zr-based bulk metallic glass: A processing route for surface finishing of complex structurescitations
- 2020Influence of process gas during powder bed fusion with laser beam of Zr-based bulk metallic glasses
- 2020Thermoplastic forming of additively manufactured Zr-based bulk metallic glass : A processing route for surface finishing of complex structures
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document
Analytical Modeling of Cooling Rates in PBF-LB/M of Bulk Metallic Glasses
Abstract
Additive manufacturing through laser powder bed fusion (PBF-LB/M) inheres great potential for the processing of bulk metallic glasses (BMGs). The size-independent high cooling rates during the process benefit the fabrication of large and elaborate amorphous components. Albeit, partial crystallization poses a challenge in additively manufactured BMGs, potentially limiting the resulting mechanical properties. In this matter, the complex thermal history during processing often states a remaining uncertainty. Besides in situ measurements and numerical estimations, analytical models can be used to achieve a deeper understanding of the transient temperature evolution. In this work, an iterative solution to the analytical Rosenthal equation is developed and applied to ZrCuAlNb- and CuTiZrNi-BMGs to predict melt pool dimensions and cooling rates during PBF-LB/M. Therefore, temperature-dependent thermal properties are determined via laser flash measurements. The effective absorptivity of the two materials is measured, and single-line experiments were performed as a validation for the approach.