缓蚀剂对高流速条件下 X-65 钢焊接件的影响

Q1 Environmental Science Case Studies in Chemical and Environmental Engineering Pub Date : 2024-07-31 DOI:10.1016/j.cscee.2024.100868

Meyliana Wulandari , Nofrizal Nofrizal , Susan Impey , Konstantinos Georgarakis , Pandian Bothi Raja , M. Hazwan Hussin

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引用次数: 0

摘要

本研究旨在确定一种商用缓蚀剂（乙二醇、2-丁氧基乙醇和脂肪酸胺的混合物）在抑制焊接件腐蚀方面的性能。采用浸没式喷射撞击（SJI）流环，研究了抑制剂对母体金属（PM）、热影响区（HAZ）和焊接金属（WM）的影响，以及 X65 焊接结构在盐水溶液（10 m/s）中的腐蚀行为。结果表明，抑制剂可将 WM 的腐蚀速率降低 10 倍，达到 0.36 mm/y。线性极化电阻和电化学阻抗谱（EIS）显示，WM 的腐蚀速率最高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The effect of corrosion inhibitor on X-65 steel weldment in high flow rate conditions

This study aims to determine the performance of a commercial corrosion inhibitor (mixture of ethanediol, 2-butoxy ethanol, and fatty acid amine) in inhibiting weldment corrosion. The inhibitor's effect on parent metals (PM), heat affected zone (HAZ), and weld metal (WM) has been investigated on the corrosion behaviour of X65-welded structures in brine solution (10 m/s) using submerged jet impingement (SJI) flow loops. The results show that inhibitors can reduce the corrosion rate by 10 times to 0.36 mm/y for WM. Linear polarization resistance and electrochemical impedance spectroscopy (EIS) show that the WM exhibited the highest corrosion rate.

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