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材料と環境
Vol. 73 (2024), No. 11

材料と環境 Vol. 73 (2024), No. 11

オンライン版ISSN:	1881-9664
冊子版ISSN:	0917-0480
発行機関:	Japan Society of Corrosion Engineering

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キーワードランキング

31 Mar. (Last 30 Days)

材料と環境 Vol. 73 (2024), No. 11

腐食科学の今後の展望

秋山英二

pp. 247-248

DOI:

10.3323/jcorr.73.247

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論文タイトル

腐食科学の今後の展望

Bibtex

Ris

亜鉛めっき鋼管における鋼／亜鉛の極性逆転による局部腐食現象

山手利博

pp. 250-262

DOI:

10.3323/jcorr.73.250

抄録

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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材料と環境 Vol. 73 (2024), No. 11

キーワードランキング

blast furnace

ferrocoke

high-strength steel alloys

isij international

slag/metal reactions in steelmaking

tramp elements

trip steel martensitic transformation

bend

continuous casting slab

crystallization

材料と環境 Vol. 73 (2024), No. 11

腐食科学の今後の展望

SNSによる共有

亜鉛めっき鋼管における鋼／亜鉛の極性逆転による局部腐食現象

SNSによる共有

論文アクセスランキング

Wettability of CaS Against Molten Iron at 1873 K

Ag–Sn合金の一方向凝固実験による包晶凝固の解析

Thermodynamic Calculation of Grain Boundary Composition in Ferritic Steels and Its Application for Controlling the Hall–Petch Coefficient

Hydrogen-induced vacancy formation process in austenitic stainless steel 304

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

Chemical State Evolution of Iron Ore Sinter Investigated by Wide-Area Imaging XAFS

PREFACE

Effect of Cu on Solidification Microstructure and Solidification Process in High Carbon High Speed Steel Type Cast Alloy

焼結生産性向上のための蒸気予熱造粒技術

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