People | Locations | Statistics |
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Ferrari, A. |
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Schimpf, Christian |
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Dunser, M. |
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Thomas, Eric |
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Gecse, Zoltan |
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Tsrunchev, Peter |
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Della Ricca, Giuseppe |
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Cios, Grzegorz |
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Hohlmann, Marcus |
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Dudarev, A. |
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Mascagna, V. |
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Santimaria, Marco |
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Poudyal, Nabin |
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Piozzi, Antonella |
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Mørtsell, Eva Anne |
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Jin, S. |
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Noel, Cédric |
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Fino, Paolo |
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Mailley, Pascal |
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Meyer, Ernst |
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Zhang, Qi |
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Pfattner, Raphael | Brussels |
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Kooi, Bart J. |
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Babuji, Adara |
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Pauporte, Thierry |
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Vogel, A.
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Publications (8/8 displayed)
- 2020Stable and Active Oxygen Reduction Catalysts with Reduced Noble Metal Loadings through Potential Triggered Support Passivationcitations
- 2017Formation of intermetallic delta phase in Al-10Si-0.3Fe alloy investigated by in-situ 4D X-ray synchrotron tomographycitations
- 2017Michael acceptor containing drugs are a novel class of 5-lipoxygenase inhibitor targeting the surface cysteines C416 and C418citations
- 2013Searches for heavy long-lived sleptons and $%5Cit{R}$-hadrons with the ATLAS detector in $%5Cit{pp}$ collisions at $%5Csqrt{s}=7$ TeVcitations
- 2013ATLAS search for new phenomena in dijet mass and angular distributions using $%5Cit{pp}$ collisions at $ %5Csqrt{s}=7 $ TeVcitations
- 2013Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeVcitations
- 2010Search for Quark Contact Interactions in Dijet Angular Distributions in $pp$ Collisions at $%5Csqrt{s}$ = 7 TeV Measured with the ATLAS Detectorcitations
- 2009Development of a multifunctional coating system for laser-induced material transportcitations
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article
Formation of intermetallic delta phase in Al-10Si-0.3Fe alloy investigated by in-situ 4D X-ray synchrotron tomography
Abstract
International audience ; During solidification of Fe-containing Al-Si casting alloys, various different intermetallic phases are formed. As this can have an impact on mechanical properties we investigated phase formation by applying in-situ time resolved synchrotron X-ray tomography. For a commercially pure Al-10Si-0.3 wt.% Fe alloy, phase morphology and spatial arrangement during solidification was revealed with 1 degrees C temperature resolution. We find that many of the intermetallic phases that have been identified as beta-AlFeSi phases in previous studies are in fact delta phases. It was found that delta plates mainly nucleate on the eutectic Al and Si. delta phase formation terminates almost simultaneously with the final solidification of eutectic phases. Features of delta phase growth such as impingement, branching and deformation of plates are discussed. The phase separation sequence during solidification is described and explained by the existence of ``cells'' of residual liquid in which delta phase formation progresses rapidly due to the supersaturation of solute atoms. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.