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What is Stray Current Corrosion Explained about?
Stray current corrosion cells occur when direct current from an external source such as a power line or train track flows through a metal structure in the ground, causing galvanic corrosion. Laboratory experiments demonstrate how a small DC current rapidly causes hydrogen bubbles to form on the cathode and corrosion on the anode when passed through a saline solution with immersed nails. Stray current is an issue for pipelines and other underground infrastructure near sources of direct current.
- Author
- mohee
- Language
- EN