the effect of chloride ions concentration on the electrochemical behavior of aisi 410 stainless steels in simulated concrete pore solution
نویسندگان
چکیده
the effect of chloride ions concentration on the electrochemical behavior of aisi 410 stainless steel in thesimulated concrete pore (0.1 m naoh + 0.1 m koh) solution was investigated by various electrochemicalmethods such as potentiodynamic polarization, mott–schottky analysis and electrochemical impedancespectroscopy (eis). potentiodynamic polarization curves revealed that increasing chloride ionsconcentration led to decreasing the corrosion and pitting potentials of aisi 410 stainless steel. mott–schottky analysis demonstrated that passive films formed on aisi 410 stainless steel in the simulatedconcrete pore solution with and without nacl addition showed some n-type semiconducting behaviorin nature. moreover, mott–schottky results showed that the donor density was increased by increasingchloride ions concentration. eis revealed that in the absence of chloride ions, the surface films formedon aisi 410 stainless steel in the simulated concrete pore showed higher passive film and charge transferresistance. however, in the presence of chloride ions, an inversion of this trend was observed.
منابع مشابه
The Effect of Chloride Ions Concentration on the Electrochemical Behavior of AISI 410 Stainless Steels in Simulated Concrete Pore Solution
The effect of chloride ions concentration on the electrochemical behavior of AISI 410 stainless steel in the simulated concrete pore (0.1 M NaOH + 0.1 M KOH) solution was investigated by various electrochemical methods such as Potentiodynamic polarization, Mott–Schottky analysis and electrochemical impedance spectroscopy (EIS). Potentiodynamic polarization curves revealed that increasing chlori...
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عنوان ژورنال:
international journal of iron & steel society of iranناشر: iron & steel society of iran
ISSN 1735-4145
دوره 11
شماره 1 2015
کلمات کلیدی
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