Experimental and numerical investigation into the corrosion performance of X100 pipeline steel under a different flow rate in CO2-saturated produced water

被引：0
作者：
Shengnan Wang
Jie Zhao
Yanhong Gu
Dan Xiong
Qunfeng Zeng
Bin Tian
机构：
[1] Beijing Institute of Petrochemical Technology,School of Mechanical Engineering
[2] Xi’an Jiaotong University,Key Laboratory of Education Ministry for Modern Design and Rotor
[3] Beijing Technology and Business University,Bearing System
来源：
Journal of Solid State Electrochemistry | 2021年 / 25卷
关键词：
Dynamic corrosion; X100; flow rate; COMSOL simulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of flow velocity on the corrosion behavior of X100 steel in CO2-saturated produced water (CO2-SPW) was studied. Potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) were used to study the corrosion behavior of X100 steel. X-ray diffraction (XRD), a metallurgical microscope, and a scanning electron microscope (SEM) were used to analyze corrosion product composition and morphology, respectively. The results show that the corrosion current density increases and impedance value decreases with the increase of the flow rate. The corrosion products are mainly FeCO3 and Fe3C. The corrosion degree of the bend segment is more serious than that of the straight segment. COMSOL simulation proposed the correlation between X100 corrosion behavior and material concentration and flow field distribution. A corrosion model was proposed, where the corrosion mechanism of X100 under simulated working condition was explained.
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页码：993 / 1006
页数：13
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