Corrosion behaviour of a new low-nickel stainless steel in saturated calcium hydroxide solution

被引：50
|
作者：
Fajardo, S. [1 ]
Bastidas, D. M. [1 ]
Criado, M. [1 ]
Romero, M. [2 ]
Bastidas, J. M. [1 ]
机构：
[1] CSIC, Natl Ctr Met Res CENIM, Madrid 28040, Spain
[2] ACERINOX SA, Los Barrios 11379, Cadiz, Spain
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2011年 / 25卷 / 11期
关键词：
Low-nickel stainless steel; Saturated calcium hydroxide; Passivity; Polarization curves; EIS; SIMULATED PORE SOLUTIONS; AC-IMPEDANCE METHOD; PITTING CORROSION; CHLORIDE SOLUTIONS; REINFORCING STEEL; ALKALINE MEDIA; CONCRETE; REINFORCEMENTS; GROWTH; 304-STAINLESS-STEEL;
D O I：
10.1016/j.conbuildmat.2011.04.056
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Corrosion behaviour of low-nickel stainless steel (SS), AISI 304 SS and carbon steel was studied using cyclic anodic polarization curves and electrochemical impedance spectroscopy (EIS). Saturated calcium hydroxide (Ca(OH)(2)) solution was used to simulate a concrete pore solution at room temperature. The effect of up to 5.0% sodium chloride (NaCl) concentration in the test solution on the passivity of the alloys was studied. Experimental results showed that low-nickel SS exhibits similar behaviour to conventional AISI 304 SS, with and E(corr) and R(ct) values of the same order and higher corrosion resistance than traditional carbon steel. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4190 / 4196
页数：7
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