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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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Olszta, Matthew
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Publications (6/6 displayed)
- 2024Optical Evidence of Compositional Fractioning between Plasma‐Condensed and Melt Pool Mattercitations
- 2023Modes of strain accommodation in Cu-Nb multilayered thin film on indentation and cyclic shearcitations
- 2023Understanding La<sub>2</sub>NiO<sub>4</sub>-La<sub>0.5</sub>Ce<sub>0.5</sub>O<sub>2</sub> Oxygen Electrode Phase Evolution in a Solid Oxide Electrolysis Cell
- 2022Heterogenous activation of dynamic recrystallization and twinning during friction stir processing of a Cu-4Nb alloycitations
- 2022Heterogenous activation of dynamic recrystallization and twinning during friction stir processing of a Cu-4Nb alloycitations
- 2021Multimodal analysis of spatially heterogeneous microstructural refinement and softening mechanisms in three-pass friction stir processed Al-4Si alloycitations
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article
Optical Evidence of Compositional Fractioning between Plasma‐Condensed and Melt Pool Matter
Abstract
<jats:p>Control of multicomponent alloys during welding is challenging because it lacks a real‐time understanding of composition. The optical emissions of plasma formed during laser‐induced metal welding correlate with the composition of particles ejected from the melt pool. Plasma emissions observed in this study contain large iron, manganese, chrome, and copper signatures, which match the composition of emitted particles. Particles recovered closest to the melt pool exhibit a core–shell morphology that is composed of iron‐manganese‐chrome intermetallic cores within copper shells. Particles collected farther from the melt pool, do not share this core–shell morphology, though similar elemental compositions are observed. The correlation between plasma optical emissions and particle composition can be used to predict the composition of the melt pool, allowing for real‐time welding and sintering control.</jats:p>