Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy
The study considers composite coatings formed on the AlMg3 aluminum alloy, consisting of PEO-coatings impregnated with corrosion inhibitors, 1,2,4-triazole and benzotriazole, in various concentrations. The morphology and composition of the resulting coatings were studied by scanning electron microsc...
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| Format: | Article |
| Language: | English |
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Peter the Great St.Petersburg Polytechnic University
2022-10-01
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| Series: | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
| Subjects: | |
| Online Access: | https://physmath.spbstu.ru/article/2022.58.29/ |
| _version_ | 1811191877760712704 |
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| author | Kononenko Yana Gnedenkov Andrey Sinebryukhov Sergey Filonina Valeriia Vyaliy Igor Gnedenkov Sergey |
| author_facet | Kononenko Yana Gnedenkov Andrey Sinebryukhov Sergey Filonina Valeriia Vyaliy Igor Gnedenkov Sergey |
| author_sort | Kononenko Yana |
| collection | DOAJ |
| description | The study considers composite coatings formed on the AlMg3 aluminum alloy, consisting of PEO-coatings impregnated with corrosion inhibitors, 1,2,4-triazole and benzotriazole, in various concentrations. The morphology and composition of the resulting coatings were studied by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The increase in the protective properties of composite coatings was studied by electrochemical impedance spectroscopy (EIS). SEM-images showed that the coatings have a self-assembled microtubular structure with a tube diameter varying from 300 to 500 nm and average tube height of 9 µm. EIS results showed that samples with composite inhibitor containing PEO-coatings have better protective properties compared to pure aluminum alloy and base PEO-layer. An increase in the concentration of inhibitors of the triazole group from 0.05 M to 0.1 M during impregnation into a PEO-coating leads to a decrease in the corrosion resistance of the samples with composite coatings. |
| first_indexed | 2024-04-11T23:44:18Z |
| format | Article |
| id | doaj.art-50925ec9b1c945d08f7333d2e42d5d27 |
| institution | Directory Open Access Journal |
| issn | 2405-7223 |
| language | English |
| last_indexed | 2024-04-11T23:44:18Z |
| publishDate | 2022-10-01 |
| publisher | Peter the Great St.Petersburg Polytechnic University |
| record_format | Article |
| series | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
| spelling | doaj.art-50925ec9b1c945d08f7333d2e42d5d272022-12-22T03:56:42ZengPeter the Great St.Petersburg Polytechnic UniversitySt. Petersburg Polytechnical University Journal: Physics and Mathematics2405-72232022-10-01153.110.18721/JPM.153.12920714726Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloyKononenko Yana0https://orcid.org/0000-0002-2299-9009Gnedenkov Andrey1https://orcid.org/0000-0002-9822-7849Sinebryukhov Sergey2https://orcid.org/0000-0002-0963-0557Filonina Valeriia3https://orcid.org/0000-0002-9544-3597Vyaliy Igor4https://orcid.org/0000-0003-3806-1709Gnedenkov Sergey5https://orcid.org/0000-0003-1576-8680Institute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesInstitute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesInstitute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesInstitute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesInstitute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesInstitute of Chemistry, Far Eastern Branch of the Russian Academy of SciencesThe study considers composite coatings formed on the AlMg3 aluminum alloy, consisting of PEO-coatings impregnated with corrosion inhibitors, 1,2,4-triazole and benzotriazole, in various concentrations. The morphology and composition of the resulting coatings were studied by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The increase in the protective properties of composite coatings was studied by electrochemical impedance spectroscopy (EIS). SEM-images showed that the coatings have a self-assembled microtubular structure with a tube diameter varying from 300 to 500 nm and average tube height of 9 µm. EIS results showed that samples with composite inhibitor containing PEO-coatings have better protective properties compared to pure aluminum alloy and base PEO-layer. An increase in the concentration of inhibitors of the triazole group from 0.05 M to 0.1 M during impregnation into a PEO-coating leads to a decrease in the corrosion resistance of the samples with composite coatings.https://physmath.spbstu.ru/article/2022.58.29/anti-corrosion composite coatingaluminum alloypeo coatingmicro-tubular structurecorrosion inhibitor |
| spellingShingle | Kononenko Yana Gnedenkov Andrey Sinebryukhov Sergey Filonina Valeriia Vyaliy Igor Gnedenkov Sergey Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy St. Petersburg Polytechnical University Journal: Physics and Mathematics anti-corrosion composite coating aluminum alloy peo coating micro-tubular structure corrosion inhibitor |
| title | Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy |
| title_full | Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy |
| title_fullStr | Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy |
| title_full_unstemmed | Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy |
| title_short | Composite triazole-containing PEO-coatings for effective corrosion protection of AlMg3 aluminum alloy |
| title_sort | composite triazole containing peo coatings for effective corrosion protection of almg3 aluminum alloy |
| topic | anti-corrosion composite coating aluminum alloy peo coating micro-tubular structure corrosion inhibitor |
| url | https://physmath.spbstu.ru/article/2022.58.29/ |
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