Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment
The article presents the effect of the anodizing parameters, as well as the thermo-chemical treatment, of Al<sub>2</sub>O<sub>3</sub> layers produced on an aluminum alloy on the characterization of structure, geometrical structure of the surface (SGS), the thickness of the ox...
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MDPI AG
2021
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oai:doaj.org-article:71cfd7282d044e19a5ecc47e46b9d0a42021-11-25T17:15:40ZThin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment10.3390/coatings111112942079-6412https://doaj.org/article/71cfd7282d044e19a5ecc47e46b9d0a42021-10-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1294https://doaj.org/toc/2079-6412The article presents the effect of the anodizing parameters, as well as the thermo-chemical treatment, of Al<sub>2</sub>O<sub>3</sub> layers produced on an aluminum alloy on the characterization of structure, geometrical structure of the surface (SGS), the thickness of the oxide layers, the phase composition, and their microhardness. The oxide layers were produced by the method of direct current anodizing in a three-component electrolyte. Then, thermo-chemical treatment was carried out in distilled water and aqueous solutions of sodium dichromate and sodium sulphate. The anodizing parameters and compounds for the thermo-chemical treatment were selected on the basis of Hartley’s plans. The research showed the effect of anodizing parameters on the thickness of the Al<sub>2</sub>O<sub>3</sub> layers and the increase in the thickness of the layers as a result of the thermo-chemical treatment. The research showed a significant increase in the microhardness of the layers as a result of thermo-chemical treatment and its influence on the phase composition of Al<sub>2</sub>O<sub>3</sub> layers. A significant influence of the thermo-chemical treatment on the geometrical structure of the surface was also found.Mateusz NiedźwiedźWładysław SkonecznyMarek BaraGrzegorz DerczMDPI AGarticlethin coatingselectrochemical methodoxide layersSEMXRDSGSEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1294, p 1294 (2021) |
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DOAJ |
| collection |
DOAJ |
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EN |
| topic |
thin coatings electrochemical method oxide layers SEM XRD SGS Engineering (General). Civil engineering (General) TA1-2040 |
| spellingShingle |
thin coatings electrochemical method oxide layers SEM XRD SGS Engineering (General). Civil engineering (General) TA1-2040 Mateusz Niedźwiedź Władysław Skoneczny Marek Bara Grzegorz Dercz Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| description |
The article presents the effect of the anodizing parameters, as well as the thermo-chemical treatment, of Al<sub>2</sub>O<sub>3</sub> layers produced on an aluminum alloy on the characterization of structure, geometrical structure of the surface (SGS), the thickness of the oxide layers, the phase composition, and their microhardness. The oxide layers were produced by the method of direct current anodizing in a three-component electrolyte. Then, thermo-chemical treatment was carried out in distilled water and aqueous solutions of sodium dichromate and sodium sulphate. The anodizing parameters and compounds for the thermo-chemical treatment were selected on the basis of Hartley’s plans. The research showed the effect of anodizing parameters on the thickness of the Al<sub>2</sub>O<sub>3</sub> layers and the increase in the thickness of the layers as a result of the thermo-chemical treatment. The research showed a significant increase in the microhardness of the layers as a result of thermo-chemical treatment and its influence on the phase composition of Al<sub>2</sub>O<sub>3</sub> layers. A significant influence of the thermo-chemical treatment on the geometrical structure of the surface was also found. |
| format |
article |
| author |
Mateusz Niedźwiedź Władysław Skoneczny Marek Bara Grzegorz Dercz |
| author_facet |
Mateusz Niedźwiedź Władysław Skoneczny Marek Bara Grzegorz Dercz |
| author_sort |
Mateusz Niedźwiedź |
| title |
Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| title_short |
Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| title_full |
Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| title_fullStr |
Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| title_full_unstemmed |
Thin Al<sub>2</sub>O<sub>3</sub> Coatings Produced by Electrochemical Method, Subjected to Thermo-Chemical Treatment |
| title_sort |
thin al<sub>2</sub>o<sub>3</sub> coatings produced by electrochemical method, subjected to thermo-chemical treatment |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/71cfd7282d044e19a5ecc47e46b9d0a4 |
| work_keys_str_mv |
AT mateuszniedzwiedz thinalsub2subosub3subcoatingsproducedbyelectrochemicalmethodsubjectedtothermochemicaltreatment AT władysławskoneczny thinalsub2subosub3subcoatingsproducedbyelectrochemicalmethodsubjectedtothermochemicaltreatment AT marekbara thinalsub2subosub3subcoatingsproducedbyelectrochemicalmethodsubjectedtothermochemicaltreatment AT grzegorzdercz thinalsub2subosub3subcoatingsproducedbyelectrochemicalmethodsubjectedtothermochemicaltreatment |
| _version_ |
1718412596495777792 |