Long-term corrosion behaviour of stainless reinforcing steel in mortar exposed to chloride environment

被引：114
|
作者：
Serdar, Marijana [1 ]
Zulj, Lidija Valek [2 ]
Bjegovic, Dubravka [1 ]
机构：
[1] Univ Zagreb, Fac Civil Engn, Dept Mat, HR-10000 Zagreb, Croatia
[2] Univ Zagreb, Fac Chem Engn & Technol, Dept Electrochem, HR-10000 Zagreb, Croatia
来源：
CORROSION SCIENCE | 2013年 / 69卷
关键词：
Stainless steel; Concrete; EIS; Passivity; Pitting corrosion; SIMULATED PORE SOLUTIONS; MULTIPHASE INTERFACE STRUCTURES; PASSIVE FILMS; IMPEDANCE SPECTROSCOPY; ALKALINE MEDIA; ELECTROCHEMICAL PHENOMENA; ELECTRICAL-PROPERTIES; SURFACE-ANALYSIS; CONCRETE; CHEMISTRY;
D O I：
10.1016/j.corsci.2012.11.035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Long-term corrosion behaviour of six stainless reinforcing steels embedded in mortar and exposed to chloride media was monitored by electrochemical impedance spectroscopy at the open circuit potential during the period of 2 years. Corrosion behaviour of studied steels was divided into two phases characterized by different interfacial behaviour: (i) passive phase and (ii) pitting propagation phase. After 2 years, duplex steel 1.4362 showed very good corrosion performance similar to austenitic steel 1.4401. Steel types with low Ni content but with high N and Mn content, 1.4597 and 1.4162, showed lower corrosion resistance compared to austenitic steel 1.4301. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：149 / 157
页数：9
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