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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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Shaban, Ghada
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2024Effects of grain boundary chemistry and precipitate structure on intergranular corrosion in Al-Mg-Si alloys doped with Cu and Zncitations
- 2023Atomic Structure of Hardening Precipitates in Al-Mg-Si Alloys: Influence of Minor Additions of Cu and Zncitations
- 2023The effect of trace level copper content on intergranular corrosion of extruded AA6082-T6 alloyscitations
- 2022Electron microscopy analysis of grain boundaries and intergranular corrosion in aged Al-Mg-Si alloy doped with 0.05 wt% Cucitations
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article
The effect of trace level copper content on intergranular corrosion of extruded AA6082-T6 alloys
Abstract
The effect of trace level Cu content on intergranular corrosion in anacidified salt solution has been systematically studied in fourAA6082-T6 extrusions containing 0.001, 0.02, 0.03 and 0.05 wt% Cu.Although these Cu concentrations are smaller than those expected todirectly contribute to intergranular corrosion (IGC) in aged AA6082alloys, IGC is observed in the present experiment even in alloy with thelowest Cu content. Whereas the extent of IGC is negligibly small in thealloy containing 0.001 wt% Cu, it increases with increasing Cu content.Profound IGC is observed in the alloy containing 0.05 wt% Cu.Microstructural characterization reveals Cu segregations along somegrain boundaries in each alloy. There are, however, differences in thesize and number density of precipitates as well as in the width ofprecipitate free zones between the different samples.