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Multi-mode scanning electrochemical microscopic study of microbiologically influenced corrosion mechanism of 304 stainless steel by thermoacidophilic archaea
Qian, H. C.1,2,3; Chang, W. W.1,2; Cui, T. Y.1,2; Li, Z.1,2; Guo, D. W.4,5; Kwok, C. T.4; Tam, L. M.4,5; Zhang, D. W.1,2,3
2021-08-08
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume191Pages:109751
Abstract

In this work, different modes of scanning electrochemical microscopy (SECM) were employed to study the biofilm morphology, oxygen concentration distribution and Fe oxidation metabolism during the microbiologically influenced corrosion (MIC) of 304 stainless steel caused by the thermoacidophilic archaeon Metallosphaera cuprina. The results of in situ SECM study suggested that the decrease in the concentration of organic nutrients forced the M. cuprina biofilms to use Fe as an electron donor and consume more Fe from the pitting corrosion, which accelerated anodic dissolution and led to aggravated pitting corrosion of stainless steel.

KeywordA. microbiologicA.ly Influenced Corrosion B. Stainless Steels C. sC.nning eleC.roC.emiC.l miC.osC.py
DOI10.1016/j.corsci.2021.109751
URLView the original
Indexed BySCIE
Language英語English
Funding Project新型耐蝕耐磨機械合金化塗層的制備及海洋環境服役性能研究
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000713263200005
Scopus ID2-s2.0-85112412789
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Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorZhang, D. W.
Affiliation1.Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China
2.National Materials Corrosion and Protection Data Center, University of Science and Technology Beijing, Beijing, 100083, China
3.BRI Southeast Asia Network for Corrosion and Protection (MOE), Shunde Graduate School of University of Science and Technology Beijing, Foshan, 528399, China
4.Department of Electromechanical Engineering, University of Macau, Macau, 999078, China
5.Institute for the Development and Quality, Macau, 999078, China
Recommended Citation
GB/T 7714		 Qian, H. C.,Chang, W. W.,Cui, T. Y.,et al. Multi-mode scanning electrochemical microscopic study of microbiologically influenced corrosion mechanism of 304 stainless steel by thermoacidophilic archaea[J]. CORROSION SCIENCE, 2021, 191, 109751.
APA Qian, H. C.., Chang, W. W.., Cui, T. Y.., Li, Z.., Guo, D. W.., Kwok, C. T.., Tam, L. M.., & Zhang, D. W. (2021). Multi-mode scanning electrochemical microscopic study of microbiologically influenced corrosion mechanism of 304 stainless steel by thermoacidophilic archaea. CORROSION SCIENCE, 191, 109751.
MLA Qian, H. C.,et al."Multi-mode scanning electrochemical microscopic study of microbiologically influenced corrosion mechanism of 304 stainless steel by thermoacidophilic archaea".CORROSION SCIENCE 191(2021):109751.
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