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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Corrosion Mechanism of Reinforcing Steel in Ceramic Mortar

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2001, v.14 no.4, pp.364-370
Kim, Young Man
Lee, Kang-Bong
Cho, Won Il
Ko, Jae Sik
Choi, Beom Suk
Lee, Ji Young
Kim, Young Sang
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Abstract

The corrosion behaviors of reinforcing steels were investigated under chloride ion contained in cement mortar including gypsum by the implementation of half cell potential measurement, EPMA analysis, exterior features, weight loss and extraction experiment. The acceleration test equipment accelerated corrosion of mild steel bar in a short period of time. From observing the exterior features and weight loss, we could evaluate the measure of corrosion. Also, from the extraction experiment of <TEX>${SO_4}^{2-}$</TEX> with <TEX>$Cl^-$</TEX> ions contained in the ceramic mortar, we concluded that <TEX>${SO_4}^{2-}$</TEX> ion affected more on the corrosion mechanism in comparison to pH.

keywords
corrosion behaviors, cement mortar, gypsum mortar


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