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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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Buchheit, Rudolph
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Publications (4/4 displayed)
- 2009Electrochemical Evaluation of Constituent Intermetallics in Aluminum Alloy 2024-T3 Exposed to Aqueous Vanadate Inhibitorscitations
- 2008Investigation and Discussion of Characteristics for Intermetallic Phases Common to Aluminum Alloys as a Function of Solution pHcitations
- 2006Dissolution Behavior of Al2CuMg (S Phase) in Chloride and Chromate Conversion Coating Solutionscitations
- 2005The Effect of Cu Content on Chromate Conversion Coating Formation of Compositional Analogs of the η Phase Mg(Zn,xCu)_2citations
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article
The Effect of Cu Content on Chromate Conversion Coating Formation of Compositional Analogs of the η Phase Mg(Zn,xCu)_2
Abstract
Thin film compositional analogs of the intermetallic compound η, Mg(Zn,xCu)_2 (0 ≤ x ≤ 35 atom %), found in high strength Al-Zn-Mg-Cu alloys were fabricated using a flash evaporation technique for characterization of electrochemical behavior and for chromate conversion coating formation experiments. In potentiodynamic polarization measurements in deaerated 0.1 M NaCl, the open-circuit and breakdown potentials increased and dissolution rates decreased with increasing Cu content of the analogs. When the analogs were chromate conversion coated from a ferricyanide-accelerated coating bath, Raman spectra showed that coating thicknesses decreased with increasing Cu content. Other coating formation experiments showed that ferricyanide additions to the coating bath acted as a coating formation accelerator for MgZn_2. However, coating formation was so strongly inhibited for the Cu-bearing analogs, that the effect of ferricyanide on coating formation was indiscernible.