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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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Eslami, Maryam
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Efficiency of Volatile Corrosion Inhibitors in the Presence of n-Heptane: An Experimental and Molecular Simulation Studycitations
- 2022Influence of the Co-Condensation of Water and n-Heptane on Top of the Line Corrosioncitations
- 2020Polypyrrole coatings on rheocast aluminum‐silicon alloy: A correlation between properties and electrodeposition conditionscitations
- 2020Polypyrrole coatings on rheocast aluminum-silicon alloy : A correlation between properties and electrodeposition conditionscitations
- 2019Electrochemical Behavior of Conventional and Rheo-High Pressure Die Cast Low Silicon Aluminum Alloys in NaCl Solutionscitations
- 2019Electrochemical performance of polypyrrole coatings electrodeposited on rheocast aluminum-silicon componentscitations
- 2019Electrochemical Behavior of Conventional and Rheo-High-Pressure Die Cast Low Silicon Aluminum Alloys in NaCl Solutionscitations
- 2017Deposition and characterization of cerium-based conversion coating on HPDC low Si content aluminum alloycitations
- 2017Study of selective deposition mechanism of cerium-based conversion coating on Rheo-HPDC aluminium-silicon alloyscitations
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article
Electrochemical Behavior of Conventional and Rheo-High Pressure Die Cast Low Silicon Aluminum Alloys in NaCl Solutions
Abstract
<jats:p> The electrochemical behavior of a low silicon aluminum alloy cast by the conventional and rheo-high pressure die cast processes is evaluated using polarization test and electrochemical impendence spectroscopy in 0.01 M, 0.05 M, 0.1 M, and 0.6 M sodium chloride solutions.
 Compared to the conventional high pressure die cast process, rheocasting introduces some alterations in the microstructure including the presence of aluminum grains with different sizes, formed at different solidification stages.
 According to the results of the anodic polarization test, conventional cast and rheocast samples show similar breakdown potentials. However, the rheocast samples present enhanced oxygen reduction kinetics compared to the conventional cast sample.
 Based on scanning electron microscopy examinations, localized micro-galvanic corrosion is the main corrosion mechanism for both alloys and it initiates at the interface of aluminum with iron-rich intermetallic particles which are located inside the eutectic regions. The corrosion further develops into the eutectic area.
 Although the rate of the cathodic reaction can be influenced by the semisolid microstructure, according to the results of anodic polarization and electrochemical impendence spectroscopy tests, the corrosion behavior is not meaningfully affected by the casting process. </jats:p>