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Article: Passivation and Depassivation of HPB335 Carbon Steel in Simulated Concrete Pore Solution

TitlePassivation and Depassivation of HPB335 Carbon Steel in Simulated Concrete Pore Solution
Authors
Ji, HTian, YZhao, RJin, NJin, XTian, ZYan, DYe, H
Keywordscarbon steel
passive film
chloride threshold
depassivation
PDM
Issue Date2020
PublisherElectrochemical Science Group. The Journal's web site is located at http://www.electrochemsci.org/index.htm
Citation
International Journal of Electrochemical Science, 2020, v. 15, p. 6488-6507 How to Cite?
DOI: http://dx.doi.org/10.20964/2020.07.43
AbstractIn order to study the corrosion mechanism of carbon steel, the passive film characteristics, critical chloride threshold and depassivation of HPB335 carbon steel in different solutions were studied. This study mainly used Mott–Schottky analysis, open-circuit potential, linear polarization resistance and point defect model (PDM) to study the passive film characteristics and depassivation mechanism of carbon steel. The experimental results show that the passive film quality and aggressive ions threshold of carbon steel in highly alkaline solutions are mainly related to pH. In the characteristics of the passive film, the correlation between the resistance and the chloride threshold is relatively large. In addition, PDM was used to study the depassivation mechanism of carbon steel. This study demonstrates the effectiveness of PDM for passivation and depassivation of carbon steel in highly alkaline solutions.
Persistent Identifierhttp://hdl.handle.net/10722/294291
ISSN
1452-3981
2023 Impact Factor: 1.3
2023 SCImago Journal Rankings: 0.260
ISI Accession Number ID
WOS:000551732800042

 

DC FieldValueLanguage
dc.contributor.authorJi, H-
dc.contributor.authorTian, Y-
dc.contributor.authorZhao, R-
dc.contributor.authorJin, N-
dc.contributor.authorJin, X-
dc.contributor.authorTian, Z-
dc.contributor.authorYan, D-
dc.contributor.authorYe, H-
dc.date.accessioned2020-11-23T08:29:16Z-
dc.date.available2020-11-23T08:29:16Z-
dc.date.issued2020-
dc.identifier.citationInternational Journal of Electrochemical Science, 2020, v. 15, p. 6488-6507-
dc.identifier.issn1452-3981-
dc.identifier.urihttp://hdl.handle.net/10722/294291-
dc.description.abstractIn order to study the corrosion mechanism of carbon steel, the passive film characteristics, critical chloride threshold and depassivation of HPB335 carbon steel in different solutions were studied. This study mainly used Mott–Schottky analysis, open-circuit potential, linear polarization resistance and point defect model (PDM) to study the passive film characteristics and depassivation mechanism of carbon steel. The experimental results show that the passive film quality and aggressive ions threshold of carbon steel in highly alkaline solutions are mainly related to pH. In the characteristics of the passive film, the correlation between the resistance and the chloride threshold is relatively large. In addition, PDM was used to study the depassivation mechanism of carbon steel. This study demonstrates the effectiveness of PDM for passivation and depassivation of carbon steel in highly alkaline solutions.-
dc.languageeng-
dc.publisherElectrochemical Science Group. The Journal's web site is located at http://www.electrochemsci.org/index.htm-
dc.relation.ispartofInternational Journal of Electrochemical Science-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectcarbon steel-
dc.subjectpassive film-
dc.subjectchloride threshold-
dc.subjectdepassivation-
dc.subjectPDM-
dc.titlePassivation and Depassivation of HPB335 Carbon Steel in Simulated Concrete Pore Solution-
dc.typeArticle-
dc.identifier.emailYe, H: hlye@hku.hk-
dc.identifier.authorityYe, H=rp02379-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.20964/2020.07.43-
dc.identifier.scopuseid_2-s2.0-85087699182-
dc.identifier.hkuros319213-
dc.identifier.volume15-
dc.identifier.spage6488-
dc.identifier.epage6507-
dc.identifier.isiWOS:000551732800042-
dc.publisher.placeSerbia-

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