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Abstract In this research, effect of cation type of chloride salts on corrosion behaviour of steel was determined by potentiodynamic polarization test in concrete powder electrolyte solution in presence of… Click to show full abstract
Abstract In this research, effect of cation type of chloride salts on corrosion behaviour of steel was determined by potentiodynamic polarization test in concrete powder electrolyte solution in presence of corrosion inhibitors. Results showed that cation type of chloride salts not only affected compressive strength of concrete but also passivity of steel and chloride binding. The decreasing trend of bound chloride concentration was CB: CaCl2 > CB: MgCl2 > CB: NaCl. Formation of various compounds in concrete was confirmed through XRD and FTIR spectroscopy analyses. Sodium nitrite was more effective in enhancing passivity of steel than di-Sodium hydrogen phosphate.
Journal Title: Construction and Building Materials
Year Published: 2019
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