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Electrochemical Behavior of API X80 Steel in Acidic Soils from Southeast China
M. C.; Sun Yan, C.; Xu, J.; Ke, W.
2015
Source PublicationInternational Journal of Electrochemical Science
ISSN1452-3981
Volume10Issue:2Pages:1762-1776
AbstractAcid soils in Southeast China are known as one kind of the most corrosion aggressive soils toward pipeline steels. Acid soils have high contents of Fe oxides, especially their electrochemically active phase, like ferrihydrite and lepidocrocite, which will influence corrosion process and induce some new phenomena in the soil corrosion. In this work, Fe oxides residing in the clay minerals of an acidic soil were characterized by XRD and cyclic voltammetry. The electrochemical behavior of API X80 pipeline steel in the soil was evaluated by EIS and Tafel polarization. Cyclic voltammetry shows that Fe oxides were electrochemically active. Redox active nature Fe oxides and their phase transformation occurring in the soil are suggested to simulate the steel corrosion, and a possible electrode reaction series involved in the corrosion process is proposed.
description.department[yan, maocheng ; sun, cheng ; xu, jin ; ke, wei] chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china. ; yan, mc (reprint author), chinese acad sci, inst met res, environm corros ctr, 62 wencui rd, shenyang 110016, peoples r china. ; yanmc@imr.ac.cn
KeywordApi X80 Steel Acidic Soil Corrosion Fe Oxide Eis Microbiologically Influenced Corrosion Mild-steel Impedance Spectroscopy Pipeline Steel Carbon-steel Cathodic Protection Aqueous-solutions High-temperature Oxide Iron
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73993
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
M. C.,Sun Yan, C.,Xu, J.,et al. Electrochemical Behavior of API X80 Steel in Acidic Soils from Southeast China[J]. International Journal of Electrochemical Science,2015,10(2):1762-1776.
APA M. C.,Sun Yan, C.,Xu, J.,&Ke, W..(2015).Electrochemical Behavior of API X80 Steel in Acidic Soils from Southeast China.International Journal of Electrochemical Science,10(2),1762-1776.
MLA M. C.,et al."Electrochemical Behavior of API X80 Steel in Acidic Soils from Southeast China".International Journal of Electrochemical Science 10.2(2015):1762-1776.
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