Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution
A CaCO3 coating with good anticorrosion and adhesion performance was fabricated via ultrasound-assisted chemical conversion on AZ41 magnesium alloy, with a water-bath treated coating as a control. The coating formed on AZ41 mainly consists of an outer CaCO3 layer and an inner (Ca, Mg)CO3 layer. Surf...
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KeAi Communications Co., Ltd.
2025-05-01
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| Series: | Journal of Magnesium and Alloys |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213956722003097 |
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| author | Ye Wang Zhipeng You Sanlve Pei Kai Ma Chaoneng Dai Danqian Wang Jingfeng Wang Fusheng Pan |
| author_facet | Ye Wang Zhipeng You Sanlve Pei Kai Ma Chaoneng Dai Danqian Wang Jingfeng Wang Fusheng Pan |
| author_sort | Ye Wang |
| collection | DOAJ |
| description | A CaCO3 coating with good anticorrosion and adhesion performance was fabricated via ultrasound-assisted chemical conversion on AZ41 magnesium alloy, with a water-bath treated coating as a control. The coating formed on AZ41 mainly consists of an outer CaCO3 layer and an inner (Ca, Mg)CO3 layer. Surface characterizations were carried out to obtain the morphology and the chemical composition, mechanical tests were also adopted to assess the hardness and the adhesion of the coating prepared. Afterwards, the long-term corrosion resistance was investigated via electrochemical methods in the chloride-containing Portland cement system. Results show that the ultrasound-assisted coating exhibits higher mechanical properties. In addition, the corrosion resistance of the ultrasound-assisted coating is also higher than that of the bare AZ41 alloy and the water-bath treated coating. This could be due to the formation of a much more compact CaCO3 coating on AZ41 Mg alloy, which is mainly benefit from the assistance of the ultrasound. Ultrasound accelerates the nucleation of CaCO3 crystals and assists the removal of hydrogen bubbles. Additionally, corrosion mechanism was suggested and discussed for the CaCO3 coating. |
| format | Article |
| id | doaj-art-fd432cdc07174823a4952a91caed0bcb |
| institution | Kabale University |
| issn | 2213-9567 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Magnesium and Alloys |
| spelling | doaj-art-fd432cdc07174823a4952a91caed0bcb2025-08-20T03:31:01ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-05-011351994200810.1016/j.jma.2022.11.022Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solutionYe Wang0Zhipeng You1Sanlve Pei2Kai Ma3Chaoneng Dai4Danqian Wang5Jingfeng Wang6Fusheng Pan7College of Materials Science and Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400045, China; Corresponding authors at: College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China.College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; Corresponding authors at: College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China.College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaA CaCO3 coating with good anticorrosion and adhesion performance was fabricated via ultrasound-assisted chemical conversion on AZ41 magnesium alloy, with a water-bath treated coating as a control. The coating formed on AZ41 mainly consists of an outer CaCO3 layer and an inner (Ca, Mg)CO3 layer. Surface characterizations were carried out to obtain the morphology and the chemical composition, mechanical tests were also adopted to assess the hardness and the adhesion of the coating prepared. Afterwards, the long-term corrosion resistance was investigated via electrochemical methods in the chloride-containing Portland cement system. Results show that the ultrasound-assisted coating exhibits higher mechanical properties. In addition, the corrosion resistance of the ultrasound-assisted coating is also higher than that of the bare AZ41 alloy and the water-bath treated coating. This could be due to the formation of a much more compact CaCO3 coating on AZ41 Mg alloy, which is mainly benefit from the assistance of the ultrasound. Ultrasound accelerates the nucleation of CaCO3 crystals and assists the removal of hydrogen bubbles. Additionally, corrosion mechanism was suggested and discussed for the CaCO3 coating.http://www.sciencedirect.com/science/article/pii/S2213956722003097Magnesium alloyConcrete formworkCalcium carbonateUltrasound-assisted chemical conversionCorrosion protection |
| spellingShingle | Ye Wang Zhipeng You Sanlve Pei Kai Ma Chaoneng Dai Danqian Wang Jingfeng Wang Fusheng Pan Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution Journal of Magnesium and Alloys Magnesium alloy Concrete formwork Calcium carbonate Ultrasound-assisted chemical conversion Corrosion protection |
| title | Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution |
| title_full | Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution |
| title_fullStr | Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution |
| title_full_unstemmed | Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution |
| title_short | Corrosion resistance of a calcium carbonate coating prepared by ultrasound-assisted chemical conversion in calcium disodium edetate solution |
| title_sort | corrosion resistance of a calcium carbonate coating prepared by ultrasound assisted chemical conversion in calcium disodium edetate solution |
| topic | Magnesium alloy Concrete formwork Calcium carbonate Ultrasound-assisted chemical conversion Corrosion protection |
| url | http://www.sciencedirect.com/science/article/pii/S2213956722003097 |
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