Corrosion behavior of 2205 duplex stainless steel in NaCl solutions containing sulfide ions

被引：44

作者：

Xiao, Ying ^{[1
]}

Tang, Junlei ^{[1
]}

Wang, Yingying ^{[2
]}

Lin, Bing ^{[1
]}

Nie, Zhen ^{[4
]}

Li, Yunfei ^{[5
]}

Normand, Bernard ^{[6
]}

Wang, Hu ^{[3
]}

机构：

[1] Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China

[2] Jianghan Univ, Key Lab Optoelect Chem Mat & Devices, Minist Educ, Wuhan, Peoples R China

[3] Southwest Petr Univ, Sch Mat Sci & Engn, Chengdu 610500, Peoples R China

[4] CNPC, Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China

[5] Xinjiang Oilfield Co, 2 Oil Prod Plant Xinjiang Oilfield Co, Karamay 834008, Xinjiang, Peoples R China

[6] Univ Lyon, MATEIS UMR CNRS 5510, INSA Lyon, Bat L de Vinci,21 Ave Jean Capelle, F-69621 Villeurbanne, France

来源：

CORROSION SCIENCE | 2022年 / 200卷

关键词：

Duplex stainless steel; PH; Chloride; Sulfide; Pitting corrosion; ELECTROCHEMICAL-BEHAVIOR; PASSIVE FILMS; PITTING CORROSION; CHLORIDE; RESISTANCE; H2S; CRACKING; PH; TEMPERATURE; CHROMIUM;

D O I：

10.1016/j.corsci.2022.110240

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion behavior of 2205 duplex stainless steel (DSS) in sulfide-containing NaCl solutions at different pH values are investigated. In 0.8 g/L NaCl solutions, the 2205 DSS pitting corrosion resistance increased with Na2S addition. The pH has significant effects on the corrosion mechanism of 2205 DSS in a 35 g/L NaCl solution with sulfide. In 35 g/L NaCl solutions, addition of Na2S can improve pitting resistance of 2205 DSS at pH 11.5, but the Na2S addition promotes pitting corrosion at pH 9, 7 and 4. At pH 7, the pitting corrosion resistance of 2205 DSS is the worst with sulfide.

引用

页数：17

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