Affiliation:
1. Division of Materials and Manufacturing Science, Graduate School of Engineering Osaka University Suita Osaka Japan
2. Total Solution Office Nagase & Co., Ltd. Amagasaki Hyogo Japan
3. R&D Center The Kansai Electric Power Co., Inc. Amagasaki Hyogo Japan
4. Institute of Advanced Energy Kyoto University Uji Kyoto Japan
5. Environmental Material Laboratory Kyoto Materials Co., Ltd. Shimogyo‐ku Kyoto Japan
Abstract
AbstractThe corrosion behavior of carbon steel covered with coating films containing Al2(SO4)3, CaO, and BaO was examined under a sulfuric acid mist environment containing chloride. CaSO4･2H2O and BaSO4 were formed as the corrosion products in the coating film and prevented the penetration of corrosives, in particular BaSO4 was highly effective. Furthermore, the rust layer containing CaCO3 adhered to the carbon steel substrate suppressed the penetration of chloride. The formation of these corrosion products suppressed the anodic reaction, resulting in higher corrosion resistance of the carbon steel in the chloride‐containing acid environment.
Subject
Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry,Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry,Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials,Environmental Chemistry
Cited by
1 articles.
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