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Flow-Assisted Corrosion and Nondestructive Testing of Multi-Medium Transmission Pipelines: A Review
Boran Cui1, Guangwei He1, Fangchao Kang2
1School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China.
Materials (Basel, Switzerland)
|June 12, 2026
Summary
Flow-assisted corrosion in pipelines is driven by multiphase flow and complex conditions. Understanding its mechanisms and improving nondestructive testing are key for pipeline safety management.
Area of Science:
- Materials Science
- Corrosion Engineering
- Pipeline Integrity
Background:
- Multi-medium transmission pipelines face severe flow-assisted corrosion (FAC).
- Conditions include multiphase flow, high temperature, high pressure, and complex chemistry.
- FAC threatens pipeline structural integrity and operational safety.
Purpose of the Study:
- To clarify the mechanisms and influencing factors of FAC in transmission pipelines.
- To review progress in nondestructive testing (NDT) for FAC detection.
- To provide insights for pipeline safety management and integrity.
Main Methods:
- Summarizing the roles of aqueous wetting, mass transfer, and flow-induced shear stress.
- Analyzing the coupling effects of hydrodynamics, medium chemistry, and material properties.
- Systematically reviewing ultrasonic guided-wave, magnetic flux leakage, and eddy current testing.
Main Results:
- Aqueous wetting, mass transfer, and shear stress are dominant in FAC evolution.
- Hydrodynamics, chemistry, and material properties significantly impact corrosion.
- NDT methods show distinct advantages and limitations for FAC detection.
Conclusions:
- Understanding FAC drivers is crucial for pipeline safety.
- Advanced NDT methods are essential for effective corrosion monitoring.
- Future trends involve AI, machine learning, and digital twins for intelligent management.
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