The corrosion analysis of X80 pipeline steel welded joint using wire beam electrode and numerical simulation methods

IF 2.3 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Anti-corrosion Methods and Materials Pub Date : 2024-08-06 DOI:10.1108/acmm-12-2023-2932

Xiaohui Dou, Yadong Li, Xinwei Zhang, Shengnan Wang, Yang Cheng, Wanpeng Yao, Dalei Zhang, Yan Li

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引用次数: 0

Abstract

Purpose

The purpose of this study is to characterize the galvanic corrosion behavior of a simulated X80 pipeline steel welded joint (PSWJ) reconstructed by the wire beam electrode (WBE) and numerical simulation methods.

Design/methodology/approach

The galvanic corrosion of an X80 PSWJ was studied using WBE and numerical simulation methods. The microstructures of the coarse-grained heat affected zone, fine-grained heat affected zone and intercritical heat affected zone were simulated in X80 pipeline steel via Gleeble thermomechanical simulation processing.

Findings

Comparing the corrosion current density of coupled and isolated weld metal (WM), base metal (BM) and heat-affected zone (HAZ), the coupled WM exhibited a higher corrosion current density than isolated WM; the coupled BM and HAZ exhibited lower corrosion current densities than isolated BM and HAZ. The results exhibited that the maximum anodic galvanic current fitted the Gumbel distribution. Moreover, the numerical simulation results agreed well with the experimental data.

Originality/value

This study provides insight into corrosion evaluation of heterogeneous welded joints by a combination of experiment and simulation. The method of reconstruction of the welded joint has been proven to be a feasible approach for studying the corrosion behavior of the X80 PSWJ with high spatial resolution.

查看原文本刊更多论文

使用线束电极和数值模拟方法对 X80 管线钢焊接接头进行腐蚀分析

设计/方法/途径采用线束电极（WBE）和数值模拟方法研究了 X80 管线钢焊接接头（PSWJ）的电化学腐蚀行为。结果比较了耦合和隔离焊缝金属 (WM)、母材 (BM) 和热影响区 (HAZ) 的腐蚀电流密度，耦合 WM 的腐蚀电流密度高于隔离 WM；耦合 BM 和 HAZ 的腐蚀电流密度低于隔离 BM 和 HAZ。结果表明，最大阳极电化电流符合 Gumbel 分布。此外，数值模拟结果与实验数据吻合良好。事实证明，重构焊接接头的方法是以高空间分辨率研究 X80 PSWJ 腐蚀行为的可行方法。

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来源期刊

Anti-corrosion Methods and Materials 工程技术-冶金工程

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

13.5 months

期刊介绍： Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world. Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties. • New methods, materials and software • New developments in research and industry • Stainless steels • Protection of structural steelwork • Industry update, conference news, dates and events • Environmental issues • Health & safety, including EC regulations • Corrosion monitoring and plant health assessment • The latest equipment and processes • Corrosion cost and corrosion risk management.