| 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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Bjerre, Mk
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2019Roughness Investigation of SLM Manufactured Conformal Cooling Channels Using X-ray Computed Tomography
- 2018A graphite nodule growth model validated by in situ synchrotron x-ray tomographycitations
- 2018Use of high intensity X-ray analysis as tool to create new, fundamental models for phase transformations and residual stress in ductile cast iron
- 2018Revisiting models for spheroidal graphite growthcitations
- 2018Analysis of local conditions on graphite growth and shape during solidification of ductile cast ironcitations
- 2018Synchrotron quantification of graphite nodule evolution during the solidification of cast ironcitations
- 2015Modelling the solidification of ductile cast iron parts with varying wall thicknessescitations
Places of action
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article
Synchrotron quantification of graphite nodule evolution during the solidification of cast iron
Abstract
In cast iron, graphite develops in conjunction with the metallic matrix during solidification. The morphology and distribution of the embedded graphite is pivotal for mechanical properties from yield strength to fatigue. A novel high temperature environmental cell was developed and combined with in situ synchrotron tomography to investigate and quantify microstructural evolution, including graphite nodule nucleation and growth rates in ductile cast iron. The mechanisms of degenerate graphite nodule formation were also revealed. The formation of a coherent primary gamma phase dendritic network before the graphite nucleation is demonstrated. The graphite nodule nucleation rate, mobility and growth rates are compared to classical models, highlighting the limitations in these models. The results provide unique insights to tune the temperature pathways during cast iron solidification to achieve desired uniform rounded graphite morphologies and size distributions.