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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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De Sousa Araujo, João Victor
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024An assessment of pitting corrosion in anodized aluminum alloys: It might not be what it seemscitations
- 2024Correlating corrosion modes with the microstructure of the 2XXX series alloys: A comparative approachcitations
- 2023INVESTIGAÇÃO DA ATIVIDADE ELETROQUÍMICA DE LIGA Al-Cu-Li APÓS PROCESSO DE SOLDAGEM POR FRICÇÃO E MISTURAcitations
- 2022COMPREENDENDO OS MECANISMOS DE CORROSÃO DE LIGAS DE Al-Cu-Li: UMA INVESTIGAÇÃO ATRAVÉS DE TÉCNICAS ELETROQUÍMICAS GLOBAIS E LOCAIScitations
- 2022(Digital Presentation) The Effect of Tartaric-Sulfuric Acid (TSA) Anodizing on the Corrosion Resistance of the AA7475-T761citations
- 2019Effect of unequal levels of deformation and fragmentation on the electrochemical response of friction stir welded AA2024-T3 alloycitations
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article
INVESTIGAÇÃO DA ATIVIDADE ELETROQUÍMICA DE LIGA Al-Cu-Li APÓS PROCESSO DE SOLDAGEM POR FRICÇÃO E MISTURA
Abstract
<jats:p>INVESTIGATION OF THE ELECTROCHEMICAL ACTIVITY OF AN Al-Cu-Li ALLOY AFTER FRICTION STIR WELDING PROCESS. In this work, the local electrochemical activity of the zones coupled by Friction Stir Welding (FSW) of an Al-Cu-Li alloy was studied and the results were correlated to the microstructural characteristics of each zone. Electrochemical studies were carried out in the zones affected by welding using cyclic voltammetry (CV) and scanning electrochemical techniques (namely, SECM - Scanning Electrochemical Microscopy and LEIS – Local electrochemical impedance spectroscopy). The results showed that the welding joint (WJ) is predominantly cathodic relatively to the heat affected zones (HAZ). The HAZ was always anodic and showed the highest electrochemical activities among the tested ones. The high electrochemical activity of the HAZ was associated with the effect of galvanic coupling between the cathodic region (WJ) and the anodic region (HAZ). In addition, the advancing side (AS) presented increased electrochemical activity compared to the retreating one (RS).</jats:p>