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Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating

This work focuses on different surface treatment processes of the 6061 aluminum alloy profile coatings in the construction industry, mainly including the sand powder film coating, the flat powder coating, the hard anodized film, and the ordinary heat-sealing oxidized coating. The corrosion resistanc...

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Autores principales: Fan, Lei, Wang, Fatao, Wang, Zhouhui, Hao, Xuelong, Yang, Neng, Ran, Denglin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10488388/
https://www.ncbi.nlm.nih.gov/pubmed/37687720
http://dx.doi.org/10.3390/ma16176027
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author Fan, Lei
Wang, Fatao
Wang, Zhouhui
Hao, Xuelong
Yang, Neng
Ran, Denglin
author_facet Fan, Lei
Wang, Fatao
Wang, Zhouhui
Hao, Xuelong
Yang, Neng
Ran, Denglin
author_sort Fan, Lei
collection PubMed
description This work focuses on different surface treatment processes of the 6061 aluminum alloy profile coatings in the construction industry, mainly including the sand powder film coating, the flat powder coating, the hard anodized film, and the ordinary heat-sealing oxidized coating. The corrosion resistance of the coated aluminum alloy in a 3.5 wt.% NaCl solution (pH 6.5–7.5) and the influence of different surface treatment processes on the corrosion resistance of different samples were studied by scanning electron microscope (SEM) and electrochemical workstation. The result shows that with the increase in corrosion time, the corrosion inhibition performance of the four coated aluminum alloy materials decreased significantly, and the order of decline is: sand powder film coating > hard anodized film > flat powder coating > ordinary heat-sealing oxidized coating. When corroded in a 3.5 wt.% NaCl solution for 2 h, the corrosion inhibition performances of the flat powder coating and ordinary heat-sealing oxidized coating are poor, while the inhibition performances of the sand powder film coating and hard anodized film are good, and the inhibition performance follows the following sequence: the sand powder film coating > hard anodized film> the flat powder coating > ordinary heat-sealing oxidized coating. When corroded in a 3.5 wt.% NaCl solution for 200 h, the corrosion inhibition performances of the sand powder film coating and the flat powder coating are poor, while the inhibition performances of hard anodized film and ordinary heat-sealing oxidized coating are good, and the inhibition performance follows the following sequence: hard anodized film > ordinary heat-sealing oxidized coating > the sand powder film coating > the flat powder coating.
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spelling pubmed-104883882023-09-09 Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating Fan, Lei Wang, Fatao Wang, Zhouhui Hao, Xuelong Yang, Neng Ran, Denglin Materials (Basel) Article This work focuses on different surface treatment processes of the 6061 aluminum alloy profile coatings in the construction industry, mainly including the sand powder film coating, the flat powder coating, the hard anodized film, and the ordinary heat-sealing oxidized coating. The corrosion resistance of the coated aluminum alloy in a 3.5 wt.% NaCl solution (pH 6.5–7.5) and the influence of different surface treatment processes on the corrosion resistance of different samples were studied by scanning electron microscope (SEM) and electrochemical workstation. The result shows that with the increase in corrosion time, the corrosion inhibition performance of the four coated aluminum alloy materials decreased significantly, and the order of decline is: sand powder film coating > hard anodized film > flat powder coating > ordinary heat-sealing oxidized coating. When corroded in a 3.5 wt.% NaCl solution for 2 h, the corrosion inhibition performances of the flat powder coating and ordinary heat-sealing oxidized coating are poor, while the inhibition performances of the sand powder film coating and hard anodized film are good, and the inhibition performance follows the following sequence: the sand powder film coating > hard anodized film> the flat powder coating > ordinary heat-sealing oxidized coating. When corroded in a 3.5 wt.% NaCl solution for 200 h, the corrosion inhibition performances of the sand powder film coating and the flat powder coating are poor, while the inhibition performances of hard anodized film and ordinary heat-sealing oxidized coating are good, and the inhibition performance follows the following sequence: hard anodized film > ordinary heat-sealing oxidized coating > the sand powder film coating > the flat powder coating. MDPI 2023-09-01 /pmc/articles/PMC10488388/ /pubmed/37687720 http://dx.doi.org/10.3390/ma16176027 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/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 (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Fan, Lei
Wang, Fatao
Wang, Zhouhui
Hao, Xuelong
Yang, Neng
Ran, Denglin
Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title_full Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title_fullStr Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title_full_unstemmed Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title_short Study on the Influence of Surface Treatment Process on the Corrosion Resistance of Aluminum Alloy Profile Coating
title_sort study on the influence of surface treatment process on the corrosion resistance of aluminum alloy profile coating
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10488388/
https://www.ncbi.nlm.nih.gov/pubmed/37687720
http://dx.doi.org/10.3390/ma16176027
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