Localized corrosion behaviour of reinforcement steel in simulated concrete pore solution

被引：124

作者：

Zhang, Fan ^{[1
,2
,3
]}

Pan, Jinshan ^{[3
]}

Lin, Changjian ^{[1
,2
]}

机构：

[1] Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China

[3] Royal Inst Technol, Dept Chem, Div Corros Sci, SE-10044 Stockholm, Sweden

来源：

CORROSION SCIENCE | 2009年 / 51卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Steel; AFM; Pitting corrosion; THIN ELECTROLYTE LAYERS; DUPLEX STAINLESS-STEELS; PROBE FORCE MICROSCOPY; IN-SITU AFM; CARBON-STEEL; ATMOSPHERIC CORROSION; CHEMICAL-COMPOSITION; PITTING CORROSION; METAL-SURFACES; INCLUSIONS;

D O I：

10.1016/j.corsci.2009.05.044

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The correlation of localized corrosion behavior and microstructure of reinforcement steel in simulated concrete pore solutions was investigated. The SEM/EDS analysis showed that most of ferrite, minor amount of pearlite and some MnS inclusions existed on the steel surface. The SKPFM results indicated a higher corrosion tendency at the ferrite grain boundaries, pearlite grains and MnS inclusions. The EIS and electrochemical polarization measurements demonstrated the influence of pH and chloride concentration on the corrosion behavior. in situ optical observations and AFM images revealed a detail of the localized corrosion behavior, which was in good agreement with the results from the other measurements. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2130 / 2138

页数：9

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