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  Electrochemical and passive behaviour of tin alloyed ferritic stainless steel in concrete environment

Luo, H., Su, H., Li, B., & Ying, G. (2018). Electrochemical and passive behaviour of tin alloyed ferritic stainless steel in concrete environment. Applied Surface Science, 439, 232-239. doi:10.1016/j.apsusc.2017.12.243.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-E6ED-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-E6EE-0
Genre: Journal Article

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 Creators:
Luo, Hong1, 2, Author              
Su, Huaizhi3, Author              
Li, Baosong4, Author              
Ying, Guobing4, Author              
Affiliations:
1Alloy Design and Thermomechanical Processing, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863383              
2College of Mechanics and Materials, Hohai University, Nanjing 210098, China, ou_persistent22              
3State Key Laboratory of Hydrology-Water Resources and Hydraulic EngineeringHohai University, Nanjing, China, persistent22              
4College of Mechanics and Materials, Hohai University, Nanjing 210098, China, persistent22              

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Free keywords: Capacitance measurement; Chlorine compounds; Concretes; Corrosion; Electrochemical corrosion; Electrochemical impedance spectroscopy; Electronic properties; Ferrite; Ferritic steel; Pitting; Sodium compounds; Tin; Tin alloys; X ray photoelectron spectroscopy, Beneficial effects; Bi-layer structure; Electrochemical behaviors; Electrochemical behaviour; ELectrochemical methods; Ferritic stainless steel; Semi-conducting property; Sn elements, Stainless steel
 Abstract: In the present work, the electrochemical behavior and semiconducting properties of a tin alloyed ferritic stainless steel in simulated concrete solution in presence of NaCl were estimated by conventional electrochemical methods such as potentiodynamic polarization, electrochemical impedance spectroscopy, and capacitance measurement (Mott-Schottky approach). The surface passive film was analyzed by X-ray photoelectron spectroscopy. The results revealed a good agreement between pitting corrosion, electrochemical behaviour, and electronic properties. The p and n-type bilayer structure passive film were observed. The increase of Sn4+ oxide species in the passive film shows no beneficial effects on the pitting corrosion. In addition, the dehydration of the passive film was further discussed. © 2017 Elsevier B.V.

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Language(s): eng - English
 Dates: 2018-05-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.apsusc.2017.12.243
BibTex Citekey: Luo2018232
 Degree: -

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Title: Applied Surface Science
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 439 Sequence Number: - Start / End Page: 232 - 239 Identifier: ISSN: 0169-4332
CoNE: /journals/resource/954928576736