四种钢材在含CO2盐水溶液中的腐蚀行为
CORROSION BEHAVIORS OF FOUR STEELS IN CO2-SATURATED BRINE
摘 要
利用失重法和金相分析法研究了四种钢材在CO2饱和盐水溶液中的腐蚀行为.研究表明,16Mn、X60和20#钢三种钢材的平均腐蚀速率较低,但容易发生点蚀；而X70钢试验初期腐蚀速率较大,是前者的2~3倍,但点蚀相对较轻.随着试验时间的延长,X70钢的腐蚀速率逐渐下降.它们腐蚀行为的差异可能与四种材料的显微组织有关.
耐蚀性
碳钢
显微结构
CO2 corrosion
Anti-corrosion
Carbon steel
Microstructure
Abstract
Corrosion behaviors of four steels in CO2-saturated NaCl solution were studied by weight-loss method.The general corrosion rates of steels 16Mn,X60 and 20# were low,but their pitting corrosion was more likely to occur.The initial corrosion rate of steel X70 was two or three times higher than that of steels 16Mn,X60 and 20#,but the pitting corrosion rate of X70 was lower.The corrosion rate of steel X70 gradually decreased with progress of the test.The analysis of metallurgical microstructure was used to explain the difference in corrosion behaviors.
中图分类号 TG172.6
所属栏目 试验研究
基金项目
收稿日期 2006/4/19
修改稿日期 2006/5/24
网络出版日期
作者单位点击查看
引用该论文: LIU He-xia,ZHANG Gao-lin,ZHAO Jing-mao,LIU Dong-yu. CORROSION BEHAVIORS OF FOUR STEELS IN CO2-SATURATED BRINE[J]. Corrosion & Protection, 2007, 28(4): 202～204
被引情况:
【1】周兰花,董玉华,陈长风,张宏, "常用集输管线钢在CO2多相流中的腐蚀行为",腐蚀与防护 30, 538-541(2009)
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参考文献
【1】Junwei Wu,Xiaogang Li,Cuiwei Du,et al.Effects of Cl- and SO2-4 ions on corrosion behavior of X70 steel[J].J Mater Sci Technol,2005,21(1):28-32.
【2】周 琦,杨新田,徐鸿麟.X60钢在不同温度下的CO2腐蚀行为[J].兰州理工大学学报,2005,31(4):26-30.
【3】黄淑菊,邓增杰,金石麟,等.X70输送管和J55套管的CO2腐蚀[J].焊管,1994,17(5):5-9.
【4】Palaciods C A,Shadley J R.Characteristics of corrosion scales on steels in a CO2 saturated NaCl brine[J].Corrsoion,1991,47(2):122-128.
【2】周 琦,杨新田,徐鸿麟.X60钢在不同温度下的CO2腐蚀行为[J].兰州理工大学学报,2005,31(4):26-30.
【3】黄淑菊,邓增杰,金石麟,等.X70输送管和J55套管的CO2腐蚀[J].焊管,1994,17(5):5-9.
【4】Palaciods C A,Shadley J R.Characteristics of corrosion scales on steels in a CO2 saturated NaCl brine[J].Corrsoion,1991,47(2):122-128.
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