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Effect of LiNO2 inhibitor on corrosion characteristics of steel rebar in saturated Ca(OH)(2) solution containing NaCl: An electrochemical study

Title
Effect of LiNO2 inhibitor on corrosion characteristics of steel rebar in saturated Ca(OH)(2) solution containing NaCl: An electrochemical study
Author
이한승
Keywords
Steel; Electrochemical impedance spectroscopy; Potentiodynamic; Inhibitor; Saturated Ca(OH)(2) solution; CONCRETE PORE SOLUTION; CHLORIDE-CONTAMINATED CONCRETE; ALKALINE-SOLUTIONS; CARBON-STEEL; REINFORCED-CONCRETE; AMINO-ALCOHOL; WEATHERING STEELS; MILD-STEEL; N80 STEEL; PERFORMANCE
Issue Date
2017-02
Publisher
ELSEVIER SCI LTD
Citation
CONSTRUCTION AND BUILDING MATERIALS, v. 133, Page. 387-396
Abstract
It is proved that inhibitors control or reduce the onset time of corrosion of steel rebars. The nitrite based i.e. sodium or calcium nitrite corrosion inhibitor is very popular and significantly reduces the corrosion of steel rebars. In this study, the effect of LiNO2 was evaluated by electrochemical impedance spectroscopy (EIS) and potentiodynamic studies. This inhibitor showed 63.67% efficiency at [Cl-/NO2-] = 0.6 in Ca(OH)(2) solution contaminated with 0.99 g/L NaCl. LiNO2 works as mixed type corrosion inhibitor by stabilizing the iron oxides/hydroxides in their stable form and stifle the corrosion of steel rebar. (C) 2016 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0950061816320128http://repository.hanyang.ac.kr/handle/20.500.11754/71703
ISSN
0950-0618; 1879-0526
DOI
10.1016/j.conbuildmat.2016.12.086
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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