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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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Mair, P.
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Topics
Publications (5/5 displayed)
- 2023Deformation and fatigue behaviour of additively manufactured Scalmalloy® with bimodal microstructurecitations
- 2022Dependence of mechanical properties and microstructure on solidification onset temperature for Al2024–CaB<sub>6</sub> alloys processed using laser powder bed fusioncitations
- 2022An improved process scan strategy to obtain high-performance fatigue properties for Scalmalloy®citations
- 2022Alloy design strategy for microstructural-tailored scandium-modified aluminium alloys for additive manufacturingcitations
- 2021Microstructure and mechanical properties of a TiB<sub>2</sub>-modified Al–Cu alloy processed by laser powder-bed fusioncitations
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article
Alloy design strategy for microstructural-tailored scandium-modified aluminium alloys for additive manufacturing
Abstract
To exploit the full potential of the additive layer manufacturing technique it is necessary to adapt the material to the process via a smart alloy design strategy. To this end, in order to derive and investigate various material concepts, the microstructural evolution of Sc-modified Al alloys was studied during the course of their production by laser powder bed fusion. Adding Mg as the main element (Al-4.4Mg-0.8Sc-0.3Zr-0.5Mn) generates an already-familiar bimodal microstructure. In contrast, if Cr is added as the main element (Al-2.6Cr-0.7Sc-0.3Zr), epitaxial grain growth takes place across several weld tracks, resulting in a distinct texture; and adding Ti as the main element (Al-1Ti-1Sc-0.4Zr) produces a uniform ultrafine-grained microstructure. The differences between these microstructures arise from interactions of the grain growth restriction factors and the solute with the primary precipitation structure. Thus, the precise manipulation of key metallurgical factors leads to novel materials which can be tailor-made for certain requirements.