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The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors

In the frame of the current work, it was shown that plasma electrolytic oxidation (PEO) treatment can be applied on top of phosphoric sulfuric acid (PSA) anodized aluminum alloy AA2024. Being hard and well-adherent to the substrate, PEO layers improve both corrosion and wear resistance of the materi...

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Autores principales: Serdechnova, Maria, Karpushenkov, Sergey A., Karpushenkava, Larisa S., Starykevich, Maksim, Ferreira, Mario G. S., Hack, Theodor, Iuzviuk, Mariia H., Zobkalo, Igor A., Blawert, Carsten, Zheludkevich, Mikhail L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316913/
https://www.ncbi.nlm.nih.gov/pubmed/30513610
http://dx.doi.org/10.3390/ma11122428
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author Serdechnova, Maria
Karpushenkov, Sergey A.
Karpushenkava, Larisa S.
Starykevich, Maksim
Ferreira, Mario G. S.
Hack, Theodor
Iuzviuk, Mariia H.
Zobkalo, Igor A.
Blawert, Carsten
Zheludkevich, Mikhail L.
author_facet Serdechnova, Maria
Karpushenkov, Sergey A.
Karpushenkava, Larisa S.
Starykevich, Maksim
Ferreira, Mario G. S.
Hack, Theodor
Iuzviuk, Mariia H.
Zobkalo, Igor A.
Blawert, Carsten
Zheludkevich, Mikhail L.
author_sort Serdechnova, Maria
collection PubMed
description In the frame of the current work, it was shown that plasma electrolytic oxidation (PEO) treatment can be applied on top of phosphoric sulfuric acid (PSA) anodized aluminum alloy AA2024. Being hard and well-adherent to the substrate, PEO layers improve both corrosion and wear resistance of the material. To facilitate PEO formation and achieve a dense layer, the systematic analysis of PEO layer formation on the preliminary PSA anodized layer was performed in this work. The microstructure, morphology, and composition of formed PEO coatings were investigated using scanning electron microscopy (SEM), x-ray diffraction (XRD), and glow-discharge optical emission spectroscopy (GDOES). It was shown that under constant current treatment conditions, the PSA layer survived under the applied voltage of 350 V, whilst 400 V was an intermediate stage; and under 450 V, the PSA layer was fully converted after 5 min of the treatment. The comparison test with PEO formation on the bare material was performed. It was confirmed that during the “sparking” mode (400 V) of PEO formation, the PEO coatings, formed on PSA treated AA2024, were more wear resistant than the same PEO coatings on bare AA2024.
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spelling pubmed-63169132019-01-08 The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors Serdechnova, Maria Karpushenkov, Sergey A. Karpushenkava, Larisa S. Starykevich, Maksim Ferreira, Mario G. S. Hack, Theodor Iuzviuk, Mariia H. Zobkalo, Igor A. Blawert, Carsten Zheludkevich, Mikhail L. Materials (Basel) Article In the frame of the current work, it was shown that plasma electrolytic oxidation (PEO) treatment can be applied on top of phosphoric sulfuric acid (PSA) anodized aluminum alloy AA2024. Being hard and well-adherent to the substrate, PEO layers improve both corrosion and wear resistance of the material. To facilitate PEO formation and achieve a dense layer, the systematic analysis of PEO layer formation on the preliminary PSA anodized layer was performed in this work. The microstructure, morphology, and composition of formed PEO coatings were investigated using scanning electron microscopy (SEM), x-ray diffraction (XRD), and glow-discharge optical emission spectroscopy (GDOES). It was shown that under constant current treatment conditions, the PSA layer survived under the applied voltage of 350 V, whilst 400 V was an intermediate stage; and under 450 V, the PSA layer was fully converted after 5 min of the treatment. The comparison test with PEO formation on the bare material was performed. It was confirmed that during the “sparking” mode (400 V) of PEO formation, the PEO coatings, formed on PSA treated AA2024, were more wear resistant than the same PEO coatings on bare AA2024. MDPI 2018-11-30 /pmc/articles/PMC6316913/ /pubmed/30513610 http://dx.doi.org/10.3390/ma11122428 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Serdechnova, Maria
Karpushenkov, Sergey A.
Karpushenkava, Larisa S.
Starykevich, Maksim
Ferreira, Mario G. S.
Hack, Theodor
Iuzviuk, Mariia H.
Zobkalo, Igor A.
Blawert, Carsten
Zheludkevich, Mikhail L.
The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title_full The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title_fullStr The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title_full_unstemmed The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title_short The Influence of PSA Pre-Anodization of AA2024 on PEO Coating Formation: Composition, Microstructure, Corrosion, and Wear Behaviors
title_sort influence of psa pre-anodization of aa2024 on peo coating formation: composition, microstructure, corrosion, and wear behaviors
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316913/
https://www.ncbi.nlm.nih.gov/pubmed/30513610
http://dx.doi.org/10.3390/ma11122428
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