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Microbiologically influenced corrosion of C1018 carbon steel by nitrate reducing Pseudomonas aeruginosa biofilm under organic carbon starvation
Jia, Ru; Yang, Dongqing; Xua, Jin; Xu, Dake; Gu, Tingyue; Gu, TY (reprint author), Ohio Univ, Inst Corros & Multiphase Technol, Dept Chem & Biomol Engn, Athens, OH 45701 USA.; Xu, DK (reprint author), Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China.
2017-10-01
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN0010-938X
Volume127Pages:1-9
AbstractThis work showed that a wild-type Pseudomonas aeruginosa (PAO1) grown as a nitrate reducing bacterium biofilm on C1018 carbon steel was more corrosive under organic carbon source starvation. P. aeruginosa biofilms were pre-grown for 2 days to achieve maturity before the culture media were changed to fresh culture media with 100% (as in the standard medium), 10%, and 0% organic carbons for subsequent 7-day incubation. Biofilms with 100%, 10%, and 0% organic carbons caused maximum pit depths of 5.4 mu m, 10.6 mu m, and 17.0 mu m, respectively. Weight loss, linear polarization resistance and electrochemical impedance spectroscopy data corroborated the pitting data.; This work showed that a wild-type Pseudomonas aeruginosa (PAO1) grown as a nitrate reducing bacterium biofilm on C1018 carbon steel was more corrosive under organic carbon source starvation. P. aeruginosa biofilms were pre-grown for 2 days to achieve maturity before the culture media were changed to fresh culture media with 100% (as in the standard medium), 10%, and 0% organic carbons for subsequent 7-day incubation. Biofilms with 100%, 10%, and 0% organic carbons caused maximum pit depths of 5.4 mu m, 10.6 mu m, and 17.0 mu m, respectively. Weight loss, linear polarization resistance and electrochemical impedance spectroscopy data corroborated the pitting data.
description.department[jia, ru ; yang, dongqing ; xua, jin ; gu, tingyue] ohio univ, inst corros & multiphase technol, dept chem & biomol engn, athens, oh 45701 usa ; [xua, jin] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [xu, dake] northeastern univ, sch mat sci & engn, shenyang 110819, liaoning, peoples r china
KeywordCarbon Steel Eis Sem Weight Loss Microbiological Corrosion Pitting Corrosion
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [U1660118]; National Basic Research Program of China (973 Program) [2014CB643300]; National Environmental Corrosion Platform (NECP)
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79060
Collection中国科学院金属研究所
Corresponding AuthorGu, TY (reprint author), Ohio Univ, Inst Corros & Multiphase Technol, Dept Chem & Biomol Engn, Athens, OH 45701 USA.; Xu, DK (reprint author), Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Jia, Ru,Yang, Dongqing,Xua, Jin,et al. Microbiologically influenced corrosion of C1018 carbon steel by nitrate reducing Pseudomonas aeruginosa biofilm under organic carbon starvation[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,127:1-9.
APA Jia, Ru.,Yang, Dongqing.,Xua, Jin.,Xu, Dake.,Gu, Tingyue.,...&Xu, DK .(2017).Microbiologically influenced corrosion of C1018 carbon steel by nitrate reducing Pseudomonas aeruginosa biofilm under organic carbon starvation.PERGAMON-ELSEVIER SCIENCE LTD,127,1-9.
MLA Jia, Ru,et al."Microbiologically influenced corrosion of C1018 carbon steel by nitrate reducing Pseudomonas aeruginosa biofilm under organic carbon starvation".PERGAMON-ELSEVIER SCIENCE LTD 127(2017):1-9.
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