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An induced corrosion inhibition of X80 steel by using marine bacterium Marinobacter salsuginis
Khan, M. Saleem1,2,3; Yang, Chunguang1; Zhao, Ying3; Pan, Haobo3; Zhao, Jinlong1; Shahzad, M. Babar1; Kolawole, Sharafadeen Kunle1; Ullah, Ihsan1; Yang, Ke1
Corresponding AuthorYang, Chunguang(cgyang@imr.ac.cn) ; Yang, Ke(kyang@imr.ac.cn)
2020-05-01
Source PublicationCOLLOIDS AND SURFACES B-BIOINTERFACES
ISSN0927-7765
Volume189Pages:10
AbstractThe corrosion behaviour of X80 pipeline steel was studied in a simulated marine environment inoculated with marine bacterium Marinobacter salsuginis. The electrochemical results showed that the increase in linear polarization resistance, charge transfer resistance, and the decrease in corrosion current density of the X80 pipeline steel immersed in the biotic medium indicated its high corrosion resistance compared to those in the abiotic medium. Surface morphological techniques including scanning electron microscopy, confocal laser scanning microscopy and live/dead cells staining were employed to observe the biofilm morphology and bacterial viability after different immersion times. X-ray photoelectron spectroscopy was used to analyse the oxides film formed on the steel surface. The obtained results indicated that the corrosion inhibition efficiency was obviously higher in the biotic medium compared to that in the abiotic medium. The high corrosion resistance of X80 steel in biotic medium was attributed to the formation of biofilm and the development of extracellular polymeric substances (EPS) layer on its surface.
KeywordX80 steel Marine environment Corrosion inhibition Marinobacter salsuginis
Funding OrganizationNational Natural Science Foundation of China ; Shenzhen Science and Technology Research Fund
DOI10.1016/j.colsurfb.2020.110858
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[U1906226] ; Shenzhen Science and Technology Research Fund[JCYJ20160608153641020]
WOS Research AreaBiophysics ; Chemistry ; Materials Science
WOS SubjectBiophysics ; Chemistry, Physical ; Materials Science, Biomaterials
WOS IDWOS:000527314700040
PublisherELSEVIER
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138521
Collection中国科学院金属研究所
Corresponding AuthorYang, Chunguang; Yang, Ke
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518000, Peoples R China
Recommended Citation
GB/T 7714
Khan, M. Saleem,Yang, Chunguang,Zhao, Ying,et al. An induced corrosion inhibition of X80 steel by using marine bacterium Marinobacter salsuginis[J]. COLLOIDS AND SURFACES B-BIOINTERFACES,2020,189:10.
APA Khan, M. Saleem.,Yang, Chunguang.,Zhao, Ying.,Pan, Haobo.,Zhao, Jinlong.,...&Yang, Ke.(2020).An induced corrosion inhibition of X80 steel by using marine bacterium Marinobacter salsuginis.COLLOIDS AND SURFACES B-BIOINTERFACES,189,10.
MLA Khan, M. Saleem,et al."An induced corrosion inhibition of X80 steel by using marine bacterium Marinobacter salsuginis".COLLOIDS AND SURFACES B-BIOINTERFACES 189(2020):10.
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