摘要
对带状组织级别不同的两种石油专用油管钢在低温区饱和二氧化碳NACE溶液(5%NaCl+0.5%CH3COOH)中进行CO2腐蚀实验,并对两种钢的腐蚀速率和腐蚀形态进行了分析对比。结果表明:带状组织级别高的钢,发生局部腐蚀的倾向性大。为了提高石油专用管抗CO2腐蚀性能,应控制带状组织级别。
At low temperatures the CO2 corrosion of two special oil tube steels with different banded structurs was investigated in saturated CO2＋NACE solution （5%NaCl＋0.5%CH3COOH）. The corrosion rate and morphology were also analyzed. Higher banded structure grade led to higher trend of localized corrosion. In order to improve the resistance to CO2 corrosion of pipelines, the banded structure grade should be controlled.
出处
《腐蚀与防护》
CAS
北大核心
2005年第11期472-475,479,共5页
Corrosion & Protection
基金
甘肃省自然科学青年基金(ZQ-95-019)
教育部重点实验室访问学者专项基金
关键词
石油专用管
带状组织
CO2腐蚀
低温
Special oil tube
Banded structure
CO2 corrosion
Low temperature
