Study on Corrosion Behavior of Q235 Steel in a Simulated Marine Tidal Environment

In this paper, a tide simulation device was used to study the marine tidal corrosion of Q235 steel with scanning electron microscopy (SEM), ultra-depth 3D microscopy, and in situ electrochemical measurements. The results showed that the corrosion rates of the steel in the full immersion (FI) zone we...

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Bibliographic Details
Published in:Journal of materials engineering and performance 2022-06, Vol.31 (6), p.4459-4471
Main Authors: Zhou, Xiaobao, Wang, Xuankai, Wang, Qin, Wu, Tangqing, Li, Cong, Luo, Jun, Yin, Fucheng
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Engineering Design
Materials Science
Quality Control
Reliability
Safety and Risk
Technical Article
Tribology
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Summary:In this paper, a tide simulation device was used to study the marine tidal corrosion of Q235 steel with scanning electron microscopy (SEM), ultra-depth 3D microscopy, and in situ electrochemical measurements. The results showed that the corrosion rates of the steel in the full immersion (FI) zone were low and fluctuated slightly, while the corrosion rates of the steel in the other zones were relatively high and increased from the 192nd h. The order of corrosion rates from high to low was middle tide (MT) zone, high tide (HT) zone, low tide (LT) zone, and FI zone. Uniform corrosion dominated the corrosion process of the steel in the FI zone, while corrosion pits were generated on the steel surface in the HT, MT, and LT zones during the experiment. The corrosion mechanism of the steel in marine tidal zones was discussed in the paper.
ISSN:1059-9495
1544-1024
DOI:10.1007/s11665-021-06551-0