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Chloride binding of monosulfate hydrate (AFm) and its effect on steel corrosion in simulated concrete pore solution

文献类型：期刊论文

作者Zhang, Yuguo1,2,5; Sun, Congtao1,2,5; Zhang, Peng5; Sun, Ming1,2; Geng, Yuanjie1,3; Zhao, Maomi4; Fan, Liang1,2; Liu, Nazhen1,2; Duan, Jizhou1,2
刊名JOURNAL OF BUILDING ENGINEERING
出版日期2023-05-15
卷号67页码:14
关键词Chloride binding Steel corrosion Chloride threshold value Passivation film AFm
DOI10.1016/j.jobe.2023.105945
通讯作者Sun, Congtao(suncongtao@qdio.ac.cn) ; Zhang, Peng(zhp0221@163.com)
英文摘要The impact of monosulfate hydrate (AFm) on chloride (Cl- ) binding and steel corrosion in simulated concrete pore solutions (SCPSs) was evaluated. In the SCPS with AFm added, a high concentration of Cl- promoted the Cl- binding amount per unit AFm without producing Kuzel's salt. The Cl- binding capacity of AFm could be improved by appropriately changing the amount of AFm with a constant Cl- concentration. The addition of AFm to the SCPS shortened the passivation time and created a more stable passivation film of the steel. The SO42- produced by the AFm binding with Cl- preferentially reacted with AFm to form AFt, and it affected the stability of the Friedel's salt to release Cl- . The addition of AFm raised the chloride threshold value (CTV) for steel corrosion. However, after reaching the CTV, the corrosion rate of steels increased dramatically, due to the release of the bound Cl- .
WOS关键词SULFATE ; MAGNESIUM ; SEAWATER ; BEHAVIOR ; RISK ; IONS
资助项目Natural Science Key Foundation of Shandong Province[ZR2020KE046] ; National Natural Science Foundation of China[41827805]
WOS研究方向Construction & Building Technology ; Engineering
语种英语
WOS记录号WOS:001012834900001
出版者ELSEVIER
源URL[http://ir.qdio.ac.cn/handle/337002/182367]  
专题海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者Sun, Congtao; Zhang, Peng
作者单位1.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
3.Inner Mongolia Univ Sci & Technol, Sch Civil Engn, Baotou 014010, Peoples R China
4.Guangxi Acad Sci, Inst Marine Corros Protect, Guangxi Key Lab Marine Environm Sci, Nanning 530007, Peoples R China
5.Qingdao Univ Technol, Sch Civil Engn, Qingdao 266033, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Yuguo,Sun, Congtao,Zhang, Peng,et al. Chloride binding of monosulfate hydrate (AFm) and its effect on steel corrosion in simulated concrete pore solution[J]. JOURNAL OF BUILDING ENGINEERING,2023,67:14.
APA Zhang, Yuguo.,Sun, Congtao.,Zhang, Peng.,Sun, Ming.,Geng, Yuanjie.,...&Duan, Jizhou.(2023).Chloride binding of monosulfate hydrate (AFm) and its effect on steel corrosion in simulated concrete pore solution.JOURNAL OF BUILDING ENGINEERING,67,14.
MLA Zhang, Yuguo,et al."Chloride binding of monosulfate hydrate (AFm) and its effect on steel corrosion in simulated concrete pore solution".JOURNAL OF BUILDING ENGINEERING 67(2023):14.

入库方式： OAI收割

来源：海洋研究所

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