Corrosion of Buried Pipelines by Stray Current in Electrified Railways: Mechanism, Influencing Factors, and Protection

被引：0

作者：

Liang, Haiming ^{[1
]}

Wu, Yuxi ^{[2
]}

Han, Bin ^{[3
]}

Lin, Nan ^{[3
]}

Wang, Junqiang ^{[3
]}

Zhang, Zheng ^{[2
]}

Guo, Yanbao ^{[2
]}

机构：

[1] Zhongke Guangdong Refinery & Petrochem Co Ltd Sino, Zhanjiang 524076, Peoples R China

[2] China Univ Petr, Coll Mech & Transportat Engn, Beijing 102249, Peoples R China

[3] China Special Equipment Inspect & Res Inst, Beijing 100013, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2025年 / 15卷 / 01期

关键词：

stray current corrosion; corrosion mechanism; corrosion-influencing factors; protection measures; ALTERNATING-CURRENT CORROSION; CATHODIC PROTECTION; MILD-STEEL; STRESS; INHIBITOR; COATINGS; CRACKING; SOIL; MICROSTRUCTURE; NANOCOMPOSITE;

D O I：

10.3390/app15010264

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metal pipes are often interfered with by currents of irregular frequency and wavelength. This is called stray current interference. The corrosion of metal pipes caused by stray current interference is one of the many factors contributing to their deterioration. Pipeline corrosion and leakage caused by stray currents can significantly impact the safety, environment, and economy of the surrounding areas. Over the past few years, stray current interference has become one of the research hotspots in the petrochemical and natural gas transportation industries. This review article investigates accident cases caused by stray currents and compares the corrosion mechanisms of DC stray currents and AC stray currents, analyzes the influence of pipeline material, environment, voltage and current, stress, and other factors on corrosion, and puts forward corrosion protection measures, such as cathodic protection, coating technology, internal corrosion control, and means of detecting stray current corrosion. Finally, it provides an outlook on future research directions on corrosion protection against stray currents.

引用

页数：36

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