Study on the anti- corrosion properties of organic and inorganic inhibitor by electrochemical treatment in aqueous solution
- Authors
- Ryu, Hwa Sung; Lee, Hanseung
- Issue Date
- Dec-2012
- Publisher
- Trans Tech Publications Limited
- Keywords
- Chloride threshold level(CTL); Corrosion Ecorr; Corrosion Icorr; Corrosion inhibitor; Electrochemical treatment; Lithium Nitrate
- Citation
- Advanced Materials Research, v.415, no.1, pp 2070 - 2073
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Advanced Materials Research
- Volume
- 415
- Number
- 1
- Start Page
- 2070
- End Page
- 2073
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/36201
- DOI
- 10.4028/www.scientific.net/AMR.415-417.2070
- ISSN
- 1022-6680
1662-8985
- Abstract
- The various methods for improving chloride penetration resistance in the reinforced concrete have been developed. Among the related general ways, using of corrosion inhibitor became very common. Therefore, in this study, in order to comprehend performance of corrosion inhibitor, the experiment study was conducted about corrosion characteristic of 3 steps(0.0, norm 1/2, norm) compared to organic corrosion inhibitor standard use of liquid and molar 3 steps(0.0, 0.3, 0.6%) of Chloride by added amount of inorganic corrosion inhibitor by the corrosion inhibitor types about 2.4kg/m 3, 4.8kg/m 3 based on Chloride ion content 1.2kg/m 3 for service life prediction of concrete structure by using Poteniostat. As results, in the case of inorganic nitrous acid corrosion inhibitor, it was confirmed that anti-corrosive performance of Chloride ion content 1.2kg/m 3 by corrosion Ecorr-0.30V in more than molar ratio 0.3%, and it also was confirmed that anti-corrosive performance of 2.4kg/m 3, 4.8kg/m 3 in more than molar ratio 0.6%. In addition, the excellent anti-corrosive performance of organic corrosion inhibitor was shown in 1/2(0.42kg/m 3) of norm regardless of Chloride ion content, and it can be seen that absorption types organic corrosion inhibitor has excellent anti-corrosive performance compared to the inorganic nitrous acid corrosion inhibitor by the added amount of corrosion inhibitor.
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