Technical Article: Mitigating AC Corrosion on Cathodically Protected Pipelines
It's becoming more common for pipelines – even cathodically protected ones – to corrode externally due to induced alternating current. This induced AC corrosion can be difficult to detect, let alone control, without an understanding of what it is and how it occurs.
In this Pipeline & Gas Journal article, Clay Brelsford of Bass Engineering discusses the fundamental concepts behind this unique type of corrosion, along with strategies for controlling it and protecting pipeline personnel from AC-related safety hazards.
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