IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Critical Chloride Concentration of Rebar Corrosion in Fly Ash Concrete
Sun, Congtao1; Liu, Shiqun2; Niu, Jiangang3; Xu, Weichen1
2015-07-01
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume10Issue:7Pages:5309-5326
SubtypeArticle
AbstractElectrochemical impedance spectrum has been used in this work to study the critical chloride concentration for the rebar corrosion in fly ash concrete. The analysis and criteria for the critical corrosion point of rebar have been interpreted, and the surface morphology of the corroded rebar has been studied using SEM. The influences of the wet-dry cycling period and the fly ash content on the impedance spectra and the critical chloride concentration have been discussed respectively. It shows that the critical corrosion point can be precisely manifested by impedance spectra; the resistance of the concrete layer increases with increasing period of wet-dry cycling and increasing content of fly ash, which can be observed as translation of the spectra to the right on the complex plane; the critical chloride concentration tends to increase with increasing period of wet-dry cycling; the critical chloride concentration for rebar corrosion can be increased by a small dosage of fly ash in the concrete.
KeywordCritical Chloride Concentration Rebar Corrosion Electrochemical Impedance Spectrum Fly Ash Concrete
Indexed BySCI
Language英语
WOS IDWOS:000359199100008
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/49782
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Qingdao Univ, Architectural Design & Res Inst, Qingdao 266033, Peoples R China
3.Inner Mongolia Univ Sci & Technol, Baotou 014010, Peoples R China
Recommended Citation
GB/T 7714
Sun, Congtao,Liu, Shiqun,Niu, Jiangang,et al. Critical Chloride Concentration of Rebar Corrosion in Fly Ash Concrete[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2015,10(7):5309-5326.
APA Sun, Congtao,Liu, Shiqun,Niu, Jiangang,&Xu, Weichen.(2015).Critical Chloride Concentration of Rebar Corrosion in Fly Ash Concrete.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,10(7),5309-5326.
MLA Sun, Congtao,et al."Critical Chloride Concentration of Rebar Corrosion in Fly Ash Concrete".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 10.7(2015):5309-5326.
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