Corrosion Behavior of 110SS Steel in Self-Generated Acid at High Temperature

IF 1.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2024-12-25 DOI:10.1002/maco.202414624

Juan Du, Qi Zou, Pengfei Chen, Yiquan Shi, Pingli Liu, Jinming Liu, Yaoshun Yuan, Xiang Chen, Hui Shu

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Abstract

The corrosion behavior of hydrogen sulfide corrosion-resistant alloy steel 110SS in the self-generated acid system at (ultra-) high temperature was studied. The results of the weight loss experiment showed that the corrosion rate of 110SS steel decreased with the increase of temperature at 120°C–200°C. The comprehensive study of SEM-EDS and XPS showed that FeCO₃ was formed on the surface of 110SS steel. With the increase in temperature, FeCO₃ became dense, and the corrosion rate of self-generated acid decreased. In addition, when the temperature is 120°C, the results of weight loss experiment and 3D laser scanning show that the corrosion of 110SS steel is strong, and the corrosion phenomenon is inhibited after adding oleic imidazoline. SEM and electrochemical experiments show that the oleic imidazoline corrosion inhibitor can be stably adsorbed on the surface of 110SS steel and reduce its corrosion in the self-generated acid.

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来源期刊

Materials and Corrosion-werkstoffe Und Korrosion 工程技术-材料科学：综合

CiteScore

3.70

自引率

11.10%

发文量

199

审稿时长

1.4 months

期刊介绍： Materials and Corrosion is the leading European journal in its field, providing rapid and comprehensive coverage of the subject and specifically highlighting the increasing importance of corrosion research and prevention. Several sections exclusive to Materials and Corrosion bring you closer to the current events in the field of corrosion research and add to the impact this journal can make on your work.