Corrosion behavior of N80 carbon steel in CO2 environments: Investigating the role of flow velocity and silty sand through experimental and computational simulation

被引：1
|
作者：
Li, Hai [1 ]
Liu, Wei [1 ]
Chen, Longjun [1 ]
Zhang, Haoyu [1 ]
Zhang, Bo [1 ]
Sun, Yipu [1 ]
Wang, Fulong [1 ]
Hou, Bowen [1 ]
机构：
[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Corros & Protect Ctr, Beijing 100083, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 237卷
基金：
中国国家自然科学基金;
关键词：
Flow velocity; Silty sand; Corrosion product layer; Wall shear stress; CO2; corrosion; DIOXIDE CORROSION; EROSION-CORROSION; MECHANISMS;
D O I：
10.1016/j.corsci.2024.112337
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of flow velocity and silty sand on CO2 corrosion of N80 carbon steel were studied using a small flow loop. Silty sand does not change the electrochemical characterization of corrosion but reduces the corrosion rate of steel. Under the low flow velocity, silty sand embeds in the sample surface, reducing active area for iron dissolution and delaying the formation of FeCO3 in corrosion product layer. At medium and high flow velocity, silty sand erodes the sample surface, and wall shear stress damages the integrity of the corrosion product layer, but do not lead to greater corrosion rate.
引用
收藏
页数：16
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