Synergistic addition of Cu and Ce enhanced sulfate reducing bacteria-assisted corrosion cracking resistance of 2205 duplex stainless steel

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外文摘要：The corrosion behaviors of 2205,2205-Cu,and 2205-Cu-Ce duplex stainless steels(DSSs)were studied under static load in the presence of sulfate-reducing bacteria(SRB).The results demonstrated that the addition of Cu and Ce effectively enhanced the resistance of 2205 DSS to SRB-assisted cracking,and 2205-Cu-Ce DSS exhibited the best corrosion resistance and mechanical properties.The Synergistic addition of Cu and Ce not only inhibited the formation of SRB biofilm but also enhanced the hydrogen-induced cracking resistance of DSSs due to the hydrogen trapping by Cu-rich precipitates.

外文关键词：

Duplex stainless steelSulfate-reducing bacteriaMicrobiologically influenced corrosionStress corrosionHydrogen trap

作者：

Hanyu Zhao、Yueyang Gu、Xinrui Zhang、Boxin Wei、Tong Xi、Jinlong Zhao、Chunguang Yang、Ke Yang

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作者单位：

School of Materials Science and Engineering,University of Science and Technology of China,Shenyang 110016,China

Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China

基金：

National Natural science Foundation of ChinaNational Natural science Foundation of ChinaNational Natural science Foundation of ChinaFujian Province-Chinese Academy of Sciences STS project

项目编号：

52101293U1906226523733232022T3058

出版年：

2024

DOI：

10.1016/j.jmst.2024.02.023

材料科学技术(英文版)

中国金属学会中国材料研究学会中国科学院金属研究所

材料科学技术(英文版)

CSTPCD

影响因子：0.657

ISSN：1005-0302

年,卷(期)：2024.196(29)