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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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Letofsky-Papst, Ilse
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Microstructure and Mechanical Properties of Ti-6Al-4V In Situ Alloyed with 3 wt% Cr by Laser Powder Bed Fusion
- 2024Advancements in metal additive manufacturingcitations
- 2023Oxidation behavior of a cathodic arc evaporated Cr$_{0.69}$Ta$_{0.20}$B$_{0.11}$N coating
- 20232D and 3D STEM Imaging and Spectroscopy: Applications and Perspectives in View of Novel STEM Infrastructure
- 2023Microstructure of a modulated Ti-6Al-4V – Cu alloy fabricated via in situ alloying in laser powder bed fusioncitations
- 2023Oxidation behavior of a cathodic arc evaporated Cr<sub>0.69</sub>Ta<sub>0.20</sub>B<sub>0.11</sub>N coating
- 2022Unique microstructure evolution of a novel Ti-modified Al-Cu alloy processed using laser powder bed fusioncitations
- 2022Crack-free in situ heat-treated high-alloy tool steel processed via laser powder bed fusion: microstructure and mechanical propertiescitations
- 2021Laser powder bed fusion of nano-CaB6 decorated 2024 aluminum alloycitations
- 2021A novel nZVI–bentonite nanocomposite to remove trichloroethene (TCE) from solutioncitations
- 2020The effect of oxygen and carbon on molybdenum in Laser Powder Bed Fusion
- 2020Microstructural evolution of metallurgical coke: Evidence from Raman spectroscopycitations
- 2019Novel highly active carbon supported ternary PdNiBi nanoparticles as anode catalyst for the alkaline direct ethanol fuel cellcitations
- 2016Effect of Alkaline Elements on Coke Structure under Blast Furnace Process Conditions
- 2014Order vs. disorder — a huge increase in ionic conductivity of nanocrystalline LiAlO2 embedded in an amorphous-like matrix of lithium aluminatecitations
- 2012Application of elemental microanalysis to elucidate the role of spherites in the digestive gland of the helicid snail Chilostoma lefeburiana
- 2008δ-phase characterization of superalloy Allvac 718 Plus™
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article
Microstructure of a modulated Ti-6Al-4V – Cu alloy fabricated via in situ alloying in laser powder bed fusion
Abstract
<p>In this work, Ti-6Al-4V was in situ alloyed with 15 wt% Cu using laser powder bed fusion (LPBF) to investigate the influence of the eutectoid alloying element Cu on microstructural features. The chemical inhomogeneities owing to in situ alloying are used to allow simultaneous solidification of differently composed material. After LPBF, the matrix material consists of metastable, equiaxed β-Ti and Ti<sub>2</sub>Cu precipitates. Cu stabilizes β-Ti, and the unique solidification conditions with high thermal supercooling cause the equiaxed grain morphology and the formation of Ti<sub>2</sub>Cu precipitates. Inclusions, assigned incompletely melted Ti-6Al-4V powder particles, consist of α’/α-Ti. In the transition zone between β-Ti and α’/α-Ti, orthorhombic α’’ is found as nano-sized crystals. For the first time, β-stabilization across a wide area through Cu with a composition of Ti<sub>76.2</sub>Al<sub>5.7</sub>V<sub>3.2</sub>Cu<sub>14.9</sub> and the formation of α’’ with the composition of Ti<sub>80.2</sub>Al<sub>5.4</sub>V<sub>3.3</sub>Cu<sub>11.1</sub> is shown. It is demonstrated that Cu is a very versatile alloying element in Ti-6Al-4V, significantly impacting microstructural development. Hence LPBF in situ alloying allows more than one alloy composition to be investigated for microstructural features in a single experiment, which could be an interesting approach to alloy development.</p>