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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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Mohedano, Marta
Universidad Complutense de Madrid
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Functionalization of Plasma Electrolytic Oxidation/Sol–Gel Coatings on AZ31 with Organic Corrosion Inhibitorscitations
- 2024Screening of fluoride-free PEO coatings on cast Mg3Zn0.4Ca alloy for orthopaedic implantscitations
- 2024Degradation Rate Control Issues of PEO-Coated Wrought Mg0.5Zn0.2Ca Alloy
- 2022Combination of Electron Beam Surface Structuring and Plasma Electrolytic Oxidation for Advanced Surface Modification of Ti6Al4V Alloycitations
- 2022Energy consumption, wear and corrosion of PEO coatings on preanodized Al alloy: the influence of current and frequencycitations
- 2020Effect of Heat Treatment on the Corrosion Behavior of Mg-10Gd Alloy in 0.5% NaCl Solutioncitations
- 2020Calcium Doped Flash-PEO Coatings for Corrosion Protection of Mg Alloycitations
- 2019Degradation Behaviour of Mg0.6Ca and Mg0.6Ca2Ag Alloys with Bioactive Plasma Electrolytic Oxidation Coatingscitations
- 2019Incorporation of halloysite nanotubes into forsterite surface layer during plasma electrolytic oxidation of AM50 Mg alloycitations
- 2019LDH Post-Treatment of Flash PEO Coatingscitations
- 2019LDH Post-Treatment of Flash PEO Coatingscitations
- 2018Corrosion behaviour of as-cast ZK40 with CaO and Y additionscitations
- 2017Role of Phase Composition of PEO Coatings on AA2024 for In-Situ LDH Growthcitations
- 2017Characterization and corrosion behavior of binary Mg-Ga alloyscitations
- 2016PEO of rheocast A356 Al alloy:energy efficiency and corrosion propertiescitations
- 2016PEO of rheocast A356 Al alloycitations
- 2015Degradation behavior of PEO coating on AM50 magnesium alloy produced from electrolytes with clay particle additioncitations
- 2014Galvanic corrosion of rare earth modified AM50 and AZ91D magnesium alloys coupled to steel and aluminium alloyscitations
Places of action
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article
Calcium Doped Flash-PEO Coatings for Corrosion Protection of Mg Alloy
Abstract
<jats:p>This study demonstrates a significant improvement of the corrosion resistance of an AZ31B magnesium alloy achieved by the application of 1 μm-thin coatings generated by an environmentally friendly flash plasma electrolytic oxidation (FPEO) process in Ca-containing electrolytes. Two compounds with different solubility, calcium oxide (CaO) or calcium glycerophosphate (CaGlyP), were used as sources of Ca in the electrolyte. Very short durations (20–45 s) of the FPEO process were employed with the aim of limiting the energy consumption. The corrosion performance of the developed coatings was compared with that of a commercial conversion coating (CC) of similar thickness. The viability of the coatings in a full system protection approach, consisting of FPEO combined with an inhibitor-free epoxy primer, was verified in neutral salt spray and paint adhesion tests. The superior corrosion performance of the FPEO_CaGlyP coating, both as a stand-alone coating and as a full system, was attributed to the formation of a greater complexity of Ca2+ bonds with SiO2 and PO43− species within the MgO ceramic network during the in situ incorporation of Ca into the coating from a double chelated electrolyte and the resultant difficulties with the hydrolysis of such a network. The deterioration of the FPEO_CaGlyP coating during immersion was found over ten times slower compared with Ca-free flash-PEO coating.</jats:p>