| 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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Bartawi, Emad Hasan
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Effects of grain boundary chemistry and precipitate structure on intergranular corrosion in Al-Mg-Si alloys doped with Cu and Zncitations
- 2023Ex‐situ synchrotron X‐ray diffraction study of CO2 corrosion‐induced surface scales developed in low‐alloy steel with different initial microstructurecitations
- 2023Ex‐situ synchrotron X‐ray diffraction study of CO2 corrosion‐induced surface scales developed in low‐alloy steel with different initial microstructurecitations
- 2023Influence of tiny concentrations of copper and zinc on the microstructure and intergranular corrosion of Al-Mg- Si alloys
- 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
- 2022Microstructure and Intergranular Corrosion of Al-Mg-Si alloy under a Trace level copper content
- 2022Grain boundary characteristics and their correlation to intergranular corrosion of Al-Mg-Si alloy with trace level content of Cu
- 2021Effect of Cu on the intergranular corrosion behavior of 6082 Aluminium Alloy
Places of action
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conferencepaper
Grain boundary characteristics and their correlation to intergranular corrosion of Al-Mg-Si alloy with trace level content of Cu
Abstract
The influence of grain boundary misorientation on the intergranular corrosion resistance of Al-Mg-Si at low Cu content (0.04 wt%) was investigated in this work. Intergranular corrosion arises due to the nonuniform chemical composition along the grain boundaries, which leads to differences in potential between grain boundaries and grain interior.<br/><br/>Scanning Electron Microscope (SEM), Electron Backscatter Diffraction (EBSD), Energy Dispersive Spectroscopy (EDS), and Scanning/Transmission Electron Microscopy (S/TEM) are employed to investigate the microstructure and the role of grain misorientation on IGC.<br/><br/>Results obtained in this work are relevant in a better understanding of grain boundary structures in Al-Mg-Si alloys at low Cu content and their susceptibility to IGC. Susceptibility of different categories of grain boundaries to intergranular corrosion was investigated in an aqueous solution containing 10 ml/L concentrated hydrochloric acid and 30g/L NaCl under different immersion times. The results showed dual microstructure of the extruded profile, recrystallized layer on the top and bottom surface, and fully deformed layer in the center. It is also found that misorientation angle has a considerable influence on intergranular corrosion of Al-Mg-Si even at this level of Cu content. High angle grain boundaries are at the highest risk to IGC for immersion time around 24h or less. However, increasing the immersion time for 72 h showed that all types of grain boundaries were subjected to severe intergranular corrosion. Moreover, low angle grain boundaries and coincidence site lattice (CSL) were subjected to a certain degree of ICG even for immersion time less than 24h.