Effect of Steel Surface Conditions on the Macro-Cell Polarization Behavior of Reinforcing Steel

Zhong Lu Cao; Makoto Hibino; Hiroki Goda

doi:10.4028/www.scientific.net/AMM.584-586.1771

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 584-586Effect of Steel Surface Conditions on the...

Effect of Steel Surface Conditions on the Macro-Cell Polarization Behavior of Reinforcing Steel

Abstract:

The effect of steel surface conditions on the macro-cell polarization behavior of reinforcing steels embedded in cement mortar was investigated by comparing and analyzing the macro-cell current density and macro-cell polarization ratio of steels. The results indicated that steel surface conditions played an important role in controlling the macro-cell corrosion and polarization. The polished or pre-rusted surface had a better corrosion resistance to inhibit the flow of macro-cell current than the scaled surface that formed in the production process. Compared to the polished surface, the presence of mill scale or rust oxides on the surface of anodic steel could reduce the macro-cell polarization ratio of anode.

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Periodical:

Applied Mechanics and Materials (Volumes 584-586)

Pages:

1771-1779

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.584-586.1771

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Online since:

July 2014

Authors:

Zhong Lu Cao*, Makoto Hibino, Hiroki Goda

Keywords:

Macro-Cell Corrosion, Polarization Ratio, Reinforcing Steel, Surface Conditions

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