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Effects of Inorganic Metabolites of Sulphate-Reducing Bacteria on the Corrosion of AZ31B and AZ63B Magnesium Alloy in 3.5 wt.% NaCl Solution

文献类型：期刊论文

作者Li, Jinrong4,6,7; Liu, Xin4,7; Zhang, Jie6,7; Zhang, Ruiyong6,7; Wang, Mingxing6,7; Sand, Wolfgang1,2,3; Duan, Jizhou6,7; Zhu, Qingjun6,7; Zhai, Shenbao5; Hou, Baorong6,7
刊名MATERIALS
出版日期2022-03-01
卷号15期号:6页码:15
关键词magnesium alloy sulphate-reducing bacteria inorganic metabolites electrochemical impedance spectroscopy corrosion
DOI10.3390/ma15062212
通讯作者Liu, Xin(liuxin@qust.edu.cn) ; Zhang, Jie(zhangjie@qdio.ac.cn) ; Zhang, Ruiyong(ruiyong.zhang@qdio.ac.cn)
英文摘要This study seeks prevent and alleviate the failure of magnesium alloy anodes in pipelines, which we suspect is a problem related to SRB. The electrochemical corrosion behaviour of two kinds of magnesium alloys, AZ31B and AZ63B, in 3.5 wt.% NaCl solution with sulphide or phosphide-the two main inorganic metabolites of sulphate-reducing bacteria-were studied by electrochemical tests combined with other characterisation methods such as scanning electron microscopy and X-ray diffraction. The results show that the corrosion film formed by inorganic metabolites of SRB's initial stage of corrosion (1-3 d) can lead to the corrosion of magnesium alloys. However, the loose and porous corrosion product film cannot protect the substrate effectively. The inorganic metabolites in the solution can accelerate the corrosion of the surface of magnesium alloy after the corrosion products have fallen off. This study provides a theoretical basis for alleviating the premature failure of magnesium alloy anodes and for corrosion protection in the future.
资助项目National Natural Science Foundation of China[42076043] ; Shandong Provincial Natural Science Foundation[ZR2020MD080]
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering ; Physics
语种英语
出版者MDPI
WOS记录号WOS:000775126000001
源URL[http://ir.qdio.ac.cn/handle/337002/178633]  
专题海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者Liu, Xin; Zhang, Jie; Zhang, Ruiyong
作者单位1.Univ Min & Technol, Inst Biosci, D-09599 Freiberg, Germany
2.Univ Duisburg Essen, Dept Aquat Biotechnol, D-45141 Essen, Germany
3.Donghua Univ, Coll Environm Sci & Engn, Text Pollut Controlling Engn Ctr, Minist Environm Protect, Shanghai 200051, Peoples R China
4.Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
5.Zibo Deyuan Met Mat Co Ltd, Zibo 200051, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
7.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266273, Peoples R China
推荐引用方式
GB/T 7714		 Li, Jinrong,Liu, Xin,Zhang, Jie,et al. Effects of Inorganic Metabolites of Sulphate-Reducing Bacteria on the Corrosion of AZ31B and AZ63B Magnesium Alloy in 3.5 wt.% NaCl Solution[J]. MATERIALS,2022,15(6):15.
APA Li, Jinrong.,Liu, Xin.,Zhang, Jie.,Zhang, Ruiyong.,Wang, Mingxing.,...&Hou, Baorong.(2022).Effects of Inorganic Metabolites of Sulphate-Reducing Bacteria on the Corrosion of AZ31B and AZ63B Magnesium Alloy in 3.5 wt.% NaCl Solution.MATERIALS,15(6),15.
MLA Li, Jinrong,et al."Effects of Inorganic Metabolites of Sulphate-Reducing Bacteria on the Corrosion of AZ31B and AZ63B Magnesium Alloy in 3.5 wt.% NaCl Solution".MATERIALS 15.6(2022):15.

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来源：海洋研究所

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