The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete
The purpose of this study was to solve the chloride corrosion damage problems of the rebar in reinforced concrete structures under the chloride environment. The effects of 1.0% triethanolamine (abbreviated as 1.0% TEA), 1.0% Ca(NO2)2, and 0.5% TEA + 0.5% Ca(NO2)2 (abbreviated as 1.0% composite corro...
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De Gruyter
2021
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oai:doaj.org-article:459e6b4468ff4df9b50ceefa285b05252021-12-05T14:11:03ZThe electrochemical performance and modification mechanism of the corrosion inhibitor on concrete2191-035910.1515/secm-2021-0037https://doaj.org/article/459e6b4468ff4df9b50ceefa285b05252021-07-01T00:00:00Zhttps://doi.org/10.1515/secm-2021-0037https://doaj.org/toc/2191-0359The purpose of this study was to solve the chloride corrosion damage problems of the rebar in reinforced concrete structures under the chloride environment. The effects of 1.0% triethanolamine (abbreviated as 1.0% TEA), 1.0% Ca(NO2)2, and 0.5% TEA + 0.5% Ca(NO2)2 (abbreviated as 1.0% composite corrosion inhibitor) on the electrochemical performance and modification mechanism of the mortar specimens were investigated by combining macro experiment and microanalysis. The results showed that the electrode potential of the rebar was effectively improved by incorporating the 1.0% composite corrosion inhibitor. This composite corrosion inhibitor displayed the ability to stabilize the electrode potential of the rebar; it also formed a passive film on the surfaces of the rebar, protected the rebar from chloride attack, and achieved satisfactory electrochemical performance. In addition, it could also effectively improve the strength of the mortar specimens and possessed the strong ability to bind chloride ions, thus signifying that it could promote cement hydration and accelerate the formation of cement to form AFt crystals. Therefore, the results of this investigation confirmed that this composite corrosion inhibitor could be effectively used in practical engineering to prevent the corrosion of reinforced concrete structures.Hang MeiyanJiang MinghuiXu JunweiCheng TengWang HaoZhou GangmingDe Gruyterarticlecorrosion inhibitorselectrochemical performancemodification mechanismMaterials of engineering and construction. Mechanics of materialsTA401-492ENScience and Engineering of Composite Materials, Vol 28, Iss 1, Pp 352-562 (2021) |
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corrosion inhibitors electrochemical performance modification mechanism Materials of engineering and construction. Mechanics of materials TA401-492 |
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corrosion inhibitors electrochemical performance modification mechanism Materials of engineering and construction. Mechanics of materials TA401-492 Hang Meiyan Jiang Minghui Xu Junwei Cheng Teng Wang Hao Zhou Gangming The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
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The purpose of this study was to solve the chloride corrosion damage problems of the rebar in reinforced concrete structures under the chloride environment. The effects of 1.0% triethanolamine (abbreviated as 1.0% TEA), 1.0% Ca(NO2)2, and 0.5% TEA + 0.5% Ca(NO2)2 (abbreviated as 1.0% composite corrosion inhibitor) on the electrochemical performance and modification mechanism of the mortar specimens were investigated by combining macro experiment and microanalysis. The results showed that the electrode potential of the rebar was effectively improved by incorporating the 1.0% composite corrosion inhibitor. This composite corrosion inhibitor displayed the ability to stabilize the electrode potential of the rebar; it also formed a passive film on the surfaces of the rebar, protected the rebar from chloride attack, and achieved satisfactory electrochemical performance. In addition, it could also effectively improve the strength of the mortar specimens and possessed the strong ability to bind chloride ions, thus signifying that it could promote cement hydration and accelerate the formation of cement to form AFt crystals. Therefore, the results of this investigation confirmed that this composite corrosion inhibitor could be effectively used in practical engineering to prevent the corrosion of reinforced concrete structures. |
format |
article |
author |
Hang Meiyan Jiang Minghui Xu Junwei Cheng Teng Wang Hao Zhou Gangming |
author_facet |
Hang Meiyan Jiang Minghui Xu Junwei Cheng Teng Wang Hao Zhou Gangming |
author_sort |
Hang Meiyan |
title |
The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
title_short |
The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
title_full |
The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
title_fullStr |
The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
title_full_unstemmed |
The electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
title_sort |
electrochemical performance and modification mechanism of the corrosion inhibitor on concrete |
publisher |
De Gruyter |
publishDate |
2021 |
url |
https://doaj.org/article/459e6b4468ff4df9b50ceefa285b0525 |
work_keys_str_mv |
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