典型文献
Stress corrosion cracking behavior of high-strength mooring-chain steel in the SO2-polluted coastal atmosphere
文献摘要:
21Cr2NiMo steel is widely used to stabilize offshore oil platforms; however, it suffers from stress-corrosion cracking (SCC). Herein, we studied the SCC behavior of 21Cr2NiMo steel in SO2-polluted coastal atmospheres. Electrochemical tests revealed that the addition of SO2 increased the corrosion current. Rust characterization showed that SO2 addition densified the corrosion products and promoted pitting. Further-more, slow strain rate tests demonstrated a high susceptibility to SCC in high SO2 contents. Fracture morphologies revealed that the stress-cor-rosion cracks initiated at corrosion pits and the crack propagation showed transgranular and intergranular cracking modes. In conclusion, SCC is mix-controlled by anodic dissolution and hydrogen embrittlement mechanisms.
文献关键词:
中图分类号:
作者姓名:
Menghao Liu;Zhiyong Liu;Cuiwei Du;Xiaoqin Zhan;Xiaojia Yang;Xiaogang Li
作者机构:
Corrosion and Protection Center,University of Science and Technology Beijing,Beijing 10083,China;Zhengmao Group Co.,Ltd.,Zhenjiang 212000,China
文献出处:
引用格式:
[1]Menghao Liu;Zhiyong Liu;Cuiwei Du;Xiaoqin Zhan;Xiaojia Yang;Xiaogang Li-.Stress corrosion cracking behavior of high-strength mooring-chain steel in the SO2-polluted coastal atmosphere)[J].矿物冶金与材料学报,2022(06):1186-1196
A类:
21Cr2NiMo
B类:
Stress,corrosion,cracking,behavior,high,strength,mooring,chain,steel,SO2,polluted,coastal,widely,used,stabilize,offshore,oil,platforms,however,suffers,from,stress,SCC,Herein,studied,atmospheres,Electrochemical,tests,revealed,that,addition,increased,current,Rust,characterization,showed,densified,products,promoted,pitting,Further,more,slow,strain,demonstrated,susceptibility,contents,Fracture,morphologies,cracks,initiated,pits,propagation,transgranular,intergranular,modes,In,conclusion,mix,controlled,by,anodic,dissolution,hydrogen,embrittlement,mechanisms
AB值:
0.5993
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