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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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Balloy, David
University of Lille Nord de France
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Surface characterization of Fe-Cr-Ni-Si-P coatings resistant to wetting and liquid zinc corrosion during batch hot-dip galvanizing
- 2023New protective coatings against liquid zinc corrosioncitations
- 2022Effect of retained austenite on rolling contact fatigue in carbide-free bainitic steels
- 2022Effect of Fe and Mn Content on the Microstructures and Tensile Behaviour of AlSi7Cu3 Alloy: Thermal Analysis and Tensile Testscitations
- 2022Head check resistance of B320 bainitic rail steel gradecitations
- 2021Effects of duration of solution heat treatment on the evolution of 3D microstructure in AlSi7Cu3 alloy: A quantitative X-ray tomography studycitations
- 2020In-situ 3D characterization of tensile damage mechanisms in A319 aluminium alloy using X-ray tomography and digital volume correlationcitations
- 2018Copper effect on mechanical properties of ai-cnf composite material elaborated by liquid metallurgy with Induction melting
- 2018Copper Effect on Mechanical Properties of Al-CNF Composite Material Elaborated by Liquid Metallurgy with Induction Melting
- 2017Influence of Sr, Fe and Mn content and casting process on the microstructures and mechanical properties of AlSi7Cu3 alloycitations
- 2017Influence of Sr, Fe and Mn content and casting process on the microstructures and mechanical properties of AlSi7Cu3 alloycitations
- 2014Thermocracks®, a Specific Testing Machine for Evaluation of the Thermal Fatigue Resistance of Materials ☆citations
- 2013Braking performance and influence of microstructure of advanced cast irons for heavy goods vehicle brake discscitations
- 2010Corrosion Mechanisms of Steel and Cast Iron by Molten Aluminumcitations
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article
Effects of duration of solution heat treatment on the evolution of 3D microstructure in AlSi7Cu3 alloy: A quantitative X-ray tomography study
Abstract
The evolution of the microstructure of an AlSi7Cu3 alloy is investigated by optical microscopy and X-ray tomography in as-cast condition and with subsequent solution treatments for 2 h 30 min and 50 h at 495 °C, respectively. The analyzed microstructure contains pores and hard inclusions, i.e. eutectic Si, iron-intermetallics, and Al2Cu phases. 2D microscopic surface examination was performed to reveal the characteristics of eutectic Si phase while 3D characterization by X-ray tomography (Lab-CT) was performed for the pores, iron-intermetallics, and Al2Cu phases. The 3D quantitative characterization can provide new insight into the microstructures amount, size and morphology change mechanisms during heat treatment. The Al2Cu phase, which presents a 3D interconnected structure in the as-cast condition, undergoes significant morphological changes during the solution heat treatment. The incipient melting of Al2Cu phase was evidenced after 50 h of solution treatment at 495°C, which leads to the formation of small pores (<60µm). Statistical analyses of the Al2Cu particle distribution, their size and their local mean curvatures describe the disintegration of the interconnected network structure followed by the dissolving of the disconnected particles. The eutectic Si undergoes fragmentation, spheroidization, and coarsening during the solution treatment.