X70钢输送气态和超临界状态CO2时的腐蚀行为研究
Zhongguo fushi yu fanghu xuebao(2016)
Abstract
采用失重法和SEM等方法研究了在管道内存在析出水的情况下,输送气态和超临界状态CO2时X70钢的腐蚀行为.结果表明:在35℃,CO2的压力为4~12 MPa条件下,X70钢的均匀腐蚀速率随压力的增加而逐渐降低;当CO2压力为4MPa时,金属表面出现了明显的FeCO3沉积,发生了严重均匀腐蚀;在其它压力条件下,金属表面腐蚀产物膜很薄并不连续,发生了小孔腐蚀;从腐蚀角度,存在水的情况下采用气态或超临界状态输送CO2均存在较严重的腐蚀风险.
MoreTranslated text
Key words
gaseous,supercritical,CO2,corrosion,X70 steel
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined