多场环境下储罐腐蚀裂纹萌生与扩展研究进展

IF 5.6 3区材料科学 Q1 ELECTROCHEMISTRY

Electrochimica Acta Pub Date : 2025-09-20 DOI:10.1016/j.electacta.2025.147430

He Liu , Zilong Deng , Yubin Mu , Di Yu , Jingjie Ren , Mingshu Bi

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引用次数: 0

摘要

储罐的腐蚀开裂由于潜在的泄漏而带来了重大的安全和环境风险。这篇综述综合了电化学腐蚀、应力腐蚀开裂（SCC）、氢致开裂（HIC）和腐蚀疲劳的机理，特别是在焊接件、底板和内壁中，在操作应力和H2S/CO2存在等影响因素下。关键洞察包括CO2-H2S竞争协同效应、氢脆、裂纹尖端应变爆发以及波动环境下的疲劳加速。提出了一个机械-电化学-热耦合框架来解释协同裂纹萌生和扩展，从而实现使用寿命预测和完整性管理优先级。目前的模型仍然有限，未来的工作应该通过实验和现场数据来验证该框架，以改进储罐完整性策略。

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Corrosion crack initiation and propagation in storage tanks under multi-field environments: A review

Corrosion cracking in storage tanks presents major safety and environmental risks due to potential leakage. This review synthesizes mechanisms—including electrochemical corrosion, stress corrosion cracking (SCC), hydrogen-induced cracking (HIC), and corrosion fatigue—particularly in weldments, bottom plates, and inner walls, under influencing factors such as operational stresses and H₂S/CO₂ presence. Key insights involve CO₂-H₂S competitive-synergistic effects, hydrogen embrittlement, crack-tip strain bursts, and the acceleration of fatigue by fluctuating environments. A coupled mechanical-electrochemical-thermal framework is proposed to interpret synergistic crack initiation and propagation, enabling service life prediction and integrity management prioritization. Current models remain limited, future work should validate this framework with experimental and field data to improve tank integrity strategies.

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来源期刊

Electrochimica Acta 工程技术-电化学

CiteScore

11.30

自引率

6.10%

发文量

1634

审稿时长

41 days

期刊介绍： Electrochimica Acta is an international journal. It is intended for the publication of both original work and reviews in the field of electrochemistry. Electrochemistry should be interpreted to mean any of the research fields covered by the Divisions of the International Society of Electrochemistry listed below, as well as emerging scientific domains covered by ISE New Topics Committee.