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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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Fink, Carolin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Microstructural Evolution of One and Two step Heat Treatments on Electron Beam Powder Bed Fusion Fabricated Haynes 282
- 2023Microstructural Heterogeneities in Electron Beam Additively Manufactured Haynes 282
- 2023In situ TEM observations of thermally activated phenomena under additive manufacturing process conditions
- 2023Microstructures in arc-welded Al$_{10}$Co$_{25}$Cr$_{8}$Fe$_{15}$Ni$_{36}$Ti$_{6}$ and A$l_{10.87}$Co$_{21.74}$Cr$_{21.74}$Cu$_{2.17}$Fe$_{21.74}$Ni$_{21.74}$ multi-principal element alloys: Comparison between experimental data and thermodynamic predictionscitations
- 2023Microstructures in arc-welded Al10Co25Cr8Fe15Ni36Ti6 and Al10.87Co21.74Cr21.74Cu2.17Fe21.74Ni21.74 multi-principal element alloyscitations
- 2023Corrosion resistance and microstructure analysis of additively manufactured 22% chromium duplex stainless steel by laser metal deposition with wirecitations
- 2023Quantification of Microstructural Heterogeneities in Additively Manufactured and Heat-Treated Haynes 282
- 2020Correction to: Elemental Effects on Weld Cracking Susceptibility in Al xCoCrCu yFeNi High-Entropy Alloy (Metallurgical and Materials Transactions A, (2020), 51, 2, (778-787), 10.1007/s11661-019-05564-8)citations
- 2020Elemental Effects on Weld Cracking Susceptibility in AlxCoCrCuyFeNi High-Entropy Alloycitations
- 2017Effect of post-weld heat treatment on fusion boundary microstructure in dissimilar metal welds for subsea servicecitations
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document
In situ TEM observations of thermally activated phenomena under additive manufacturing process conditions
Abstract
Engineering components, fabricated via fusion based additive manufacturing (AM) processes, experience varying spatio-temporal thermal transients in the build process due to the localized high energy delivered by the heat source. The combination of extreme thermal gradients (10<sup>4</sup> - 10<sup>6</sup> K/m) and/or rapid thermal cycling (10<sup>2</sup>- 105 K/s) may result in metastable and directional microstructures that significantly affect part performance. In order to tailor the microstructure of AM builds to obtain desired properties in ‘as fabricated’ AM builds, it is necessary to understand the solid-state dynamic processes that govern the microstructural evolution under such extreme thermal conditions. Currently, this information can only be obtained through post-mortem characterization, e.g. by electron microscopy. Here, we performed in-situ electron microscopy studies using a modified heating device to simulate thermal AM conditions to observe the solid-state dynamic processes during phase transformations in Ti-6Al-4V and Haynes 282