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Zairyo-to-Kankyo
Vol. 73 (2024), No. 11

Zairyo-to-Kankyo Vol. 73 (2024), No. 11

ONLINE ISSN:	1881-9664
PRINT ISSN:	0917-0480
Publisher:	Japan Society of Corrosion Engineering

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Zairyo-to-Kankyo Vol. 73 (2024), No. 11

Future Prospects for Corrosion Science

Eiji Akiyama

pp. 247-248

DOI:

10.3323/jcorr.73.247

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Article Title

Future Prospects for Corrosion Science

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Ris

Localized Corrosion due to the Reverse of Electrical Potential between the Zinc and the Steel of Galvanized Steel Pipes

Toshihiro Yamate

pp. 250-262

DOI:

10.3323/jcorr.73.250

Abstract

The standard electrode potential of zinc is 323 mV lessnoble compared with iron （steel）. However, zinc shows high corrosion resistance with the oxide film formed on the surface in pH neutral-weak alkali area compared with iron. Therefore, galvanized steel is used all over the world. However, the potential of zinc might rise while using it, and the potential reversal of zinc and steel be caused. In that case, the corrosion of steel is accelerated because there is an effect with cathode/anode area ratio in the zinc plating layer defect part by the localized corrosion etc., too. As a result, it might cause the water leak accident. Actually, the localized corrosion that originated in the potential reversal of steel/zinc frequently occurred in the cold and hot water piping and the sprinkler piping system. The potential reversal of steel/zinc was verified by the sample measurement. In this report, it introduces the corrosion case with building piping systems by the potential reversal of steel/zinc. Moreover, the mechanism and measures are described.

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Zairyo-to-Kankyo Vol. 73 (2024), No. 11

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article title

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effect of the substrate properties on the surface quality of galvannealed steel sheets

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author;echo $((3536 + 1313))&echo $((3536 + 1313))|echo $((3536 + 1313))author

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effect of the substrate properties on the surface quality of galvannealed steel sheets;echo $((6955 + 6435))&echo $((6955 + 6435))|echo $((6955 + 6435))effect of the substrate properties on the surface quality of galvannealed steel sheets

Zairyo-to-Kankyo Vol. 73 (2024), No. 11

Future Prospects for Corrosion Science

Share it with SNS

Localized Corrosion due to the Reverse of Electrical Potential between the Zinc and the Steel of Galvanized Steel Pipes

Share it with SNS

Article Access Ranking

Wettability of CaS Against Molten Iron at 1873 K

Surface defect detection of continuous casting slabs based on deep learning

Structure of Metallic Iron Formed in Iron Ores by CO-H₂ Reduction

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

Molecular Dynamics Analysis of the Mg²⁺ Structure Behavior in SiO₂-CaO-Al₂O₃-MgO Slag System

Coating Structure and Corrosion Mechanism of Zn-19%Al-6%Mg Alloy Coating Layer

The investigation into the impact of the spatial arrangement of MMI desulfurization bubble clusters on molten iron fluctuations using the VOF method

Preface to the Special Issue on "Effects of Cu and Other Tramp Elements on Steel Properties"

Producing high purity metallic iron from bauxite residue through hydrogen reduction followed by flux smelting

Effect of Heating Rate on the Non-Isothermal Hydrogen Reduction of Hematite Pellets

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Zairyo-to-Kankyo Vol. 73 (2024), No. 11

Keyword Ranking

abstract

journal title

article title

author

effect of the substrate properties on the surface quality of galvannealed steel sheets

article title;echo $((3536 + 1313))&echo $((3536 + 1313))|echo $((3536 + 1313))article title

article title|set /a (3536 + 1313)&set /a (3536 + 1313)

author;echo $((3536 + 1313))&echo $((3536 + 1313))|echo $((3536 + 1313))author

author|set /a (3536 + 1313)&set /a (3536 + 1313)

effect of the substrate properties on the surface quality of galvannealed steel sheets;echo $((6955 + 6435))&echo $((6955 + 6435))|echo $((6955 + 6435))effect of the substrate properties on the surface quality of galvannealed steel sheets

Zairyo-to-Kankyo Vol. 73 (2024), No. 11

Future Prospects for Corrosion Science

Share it with SNS

Localized Corrosion due to the Reverse of Electrical Potential between the Zinc and the Steel of Galvanized Steel Pipes

Share it with SNS

Article Access Ranking

Wettability of CaS Against Molten Iron at 1873 K

Surface defect detection of continuous casting slabs based on deep learning

Structure of Metallic Iron Formed in Iron Ores by CO-H2 Reduction

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

Molecular Dynamics Analysis of the Mg2+ Structure Behavior in SiO2-CaO-Al2O3-MgO Slag System

Coating Structure and Corrosion Mechanism of Zn-19%Al-6%Mg Alloy Coating Layer

The investigation into the impact of the spatial arrangement of MMI desulfurization bubble clusters on molten iron fluctuations using the VOF method

Preface to the Special Issue on "Effects of Cu and Other Tramp Elements on Steel Properties"

Producing high purity metallic iron from bauxite residue through hydrogen reduction followed by flux smelting

Effect of Heating Rate on the Non-Isothermal Hydrogen Reduction of Hematite Pellets

Advanced Search

Structure of Metallic Iron Formed in Iron Ores by CO-H₂ Reduction

Molecular Dynamics Analysis of the Mg²⁺ Structure Behavior in SiO₂-CaO-Al₂O₃-MgO Slag System