Combined acoustic emission and electrochemical methods for analyzing the uniform corrosion behavior of X90 high-grade steel pipelines

IF 5.9 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Ain Shams Engineering Journal Pub Date : 2025-01-01 Epub Date: 2024-11-28 DOI:10.1016/j.asej.2024.103195

Haisheng Bi , Jiaxu Miao , Chunxun Ma , Chen Zhang , Yuhong Zhang , Yangyang Zhou , Huiyao Li , Haoran Cheng

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Abstract

Long-distance, large-diameter, and high-pressure pipelines represent the future of oil and gas pipeline construction. X90 pipeline steel is expected to become the standard steel due to its high transmission efficiency and lower cost in the future, yet corrosion poses the most significant challenge to the development of high-strength pipelines. This study focuses on monitoring the uniform corrosion process of X90 steels using acoustic emission (AE) and electrochemical testing systems. The AE signals from corrosion were processed using wavelet de-noising, decomposition, and reconstruction to extract signal characteristics. Experimental results reveal that the corrosion process of X90 steel can be categorized into three stages: initial metal dissolution, corrosion product accumulation, and corrosion stabilization. Signal activity and strength follow normal distributions throughout these stages. During metal dissolution and corrosion stabilization, AE signals exhibit a frequency range of 100–200 kHz with relatively low amplitude. Conversely, during corrosion product accumulation, signals display a narrow frequency range with higher amplitudes, typically around 3 × 10^-4V. Moreover, the appearance of a double-peak signal suggests the presence of two distinct AE sources.

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声发射与电化学相结合的方法分析X90高等级钢管道的均匀腐蚀行为

长距离、大口径、高压管道代表了油气管道建设的未来。X90管线钢因其输送效率高、成本低，有望在未来成为标准钢材，但腐蚀是高强管线发展面临的最大挑战。本研究的重点是利用声发射和电化学测试系统监测X90钢的均匀腐蚀过程。对腐蚀声发射信号进行小波去噪、分解和重构，提取信号特征。实验结果表明，X90钢的腐蚀过程可分为金属初始溶解、腐蚀产物积累和腐蚀稳定三个阶段。信号活动和强度在这些阶段遵循正态分布。在金属溶解和腐蚀稳定过程中，声发射信号的频率范围为100-200 kHz，振幅相对较低。相反，在腐蚀产物积累过程中，信号的频率范围较窄，振幅较高，通常在3 × 10-4V左右。此外，双峰信号的出现表明存在两个不同的声发射源。

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来源期刊

Ain Shams Engineering Journal Engineering-General Engineering

CiteScore

10.80

自引率

13.30%

发文量

441

审稿时长

49 weeks

期刊介绍： in Shams Engineering Journal is an international journal devoted to publication of peer reviewed original high-quality research papers and review papers in both traditional topics and those of emerging science and technology. Areas of both theoretical and fundamental interest as well as those concerning industrial applications, emerging instrumental techniques and those which have some practical application to an aspect of human endeavor, such as the preservation of the environment, health, waste disposal are welcome. The overall focus is on original and rigorous scientific research results which have generic significance. Ain Shams Engineering Journal focuses upon aspects of mechanical engineering, electrical engineering, civil engineering, chemical engineering, petroleum engineering, environmental engineering, architectural and urban planning engineering. Papers in which knowledge from other disciplines is integrated with engineering are especially welcome like nanotechnology, material sciences, and computational methods as well as applied basic sciences: engineering mathematics, physics and chemistry.