Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Physical/Chemical Characterization of Ordinary Portland Cement/Ground Granulated Blast Furnace Slag Pastes Containing Low Carbon Steel as Reinforcements

  • Hwang, Jin-Ha (Dept. of Materials Science and Engineering College of Engineering Hogik University)
  • Published : 2003.02.01
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Abstract

The interface between low carbon steel and blended cement pastes containing slag was investigated using impedance spectroscopy. In addition, the pastes were characterized by several analytical methods (XRD, EDX, electrode potential, pH and ICP). The electrical behavior of the interface in the blended slag systems is correlated to its corresponding pore solution chemistry and the products present in the interface. Passivation occurred at the paste/steel interfaces, in cement pastes up to containing from 0 to 75% slag content. 100% slag paste induced corrosion of the low carbon steel, which could be explained by the influence of sulfur on the system.

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