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http://dx.doi.org/10.11112/jksmi.2013.17.4.066

A Study on the Anti-corrosion Properties of Organic and Inorganic Inhibitor by Electrochemical Evaluation Method in Saturated Aqueous Solution of Calcium Hydroxide  

Kim, Soo-Young (한양대학교 대학원 건축환경공학과)
Ryu, Hwa-Sung (한양대학교 대학원 건축공학과)
Kim, Sung-Kil ((주)비앤비)
Lee, Han-Seung (한양대학교)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.17, no.4, 2013 , pp. 66-74 More about this Journal
Abstract
In this study, corrosion potential ($E_{corr}$), corrosion rate, and polarization resistance were measured aimed at inorganic inhibitors (passive film type) and organic inhibitors (absorption type). The experiment was conducted using potentiostat for the variable molar ratio and chloride ion concentration of the components of inhibitors in an aqueous solution of saturated calcium hydroxide targeting corrosion. As a result, it was possible to ensure an anticorrosive performance of at least a 1.2 molar ratio of inorganic inhibitors. Also, the organic inhibitors ensured the prevention of the anticorrosive performance of at least about a 0.3 molar ratio. It also showed the tendency that between polarization resistance and corrosion rate, Ecorr and corrosion rate is inversely proportional to the linear. Conversely, the tendency between polarization resistance and Ecorr is proportional to the linear. Also, a distinct difference in organic and inorganic inhibitors' relationship to Ecorr, corrosion rate, and polarization resistance was not shown.
Keywords
Organic inhibitor; Inorganic inhibitor; Electrochemical evaluation method; Polarization resistance; corrosion potential ($E_{corr}$); Corrosion rate; Amino Alcohol inhibitor;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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