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Corrosion Evolution of Scaled Rebar in Concrete under Dry/wet Cyclic Condition in 3.5% NaCl Solution
J. Wei; J. H. Dong; W. Ke
2013
Source PublicationInternational Journal of Electrochemical Science
ISSN1452-3981
Volume8Issue:2Pages:2536-2550
AbstractThe evolution of water-cooled scaled rebar corroded in concrete under alternate dry/wet corrosion acceleration condition with 3.5% NaCl solution was studied by EIS, potential monitoring, SEM and XRD techniques. The results show that the corrosion evolution of rebar undergoes uniform corrosion in three stages. The initial stage is described as the charge transfer process, which starts from the concrete curing period due to the porous scale of water-cooled rebar. The second stage is described as the corrosion acceleration process which attributes to the gradually increase of scale pores caused by Cl-penetration. The third stage is described as the steady corrosion process due to the diffusion limitation through a thick rust layer.
description.department[wei, j. ; dong, j. h. ; ke, w.] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; wei, j (reprint author), chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china. ; jhdong@imr.ac.cn
KeywordScaled Rebar Corrosion Evolution Eis Concrete Chloride Electrochemical Impedance Spectroscopy Reinforcing Steel Passive Film Iron Penetration Carbonation Chlorides Eis
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71573
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. Wei,J. H. Dong,W. Ke. Corrosion Evolution of Scaled Rebar in Concrete under Dry/wet Cyclic Condition in 3.5% NaCl Solution[J]. International Journal of Electrochemical Science,2013,8(2):2536-2550.
APA J. Wei,J. H. Dong,&W. Ke.(2013).Corrosion Evolution of Scaled Rebar in Concrete under Dry/wet Cyclic Condition in 3.5% NaCl Solution.International Journal of Electrochemical Science,8(2),2536-2550.
MLA J. Wei,et al."Corrosion Evolution of Scaled Rebar in Concrete under Dry/wet Cyclic Condition in 3.5% NaCl Solution".International Journal of Electrochemical Science 8.2(2013):2536-2550.
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