Kinetic of Electrocorrosition and the Life of Rails in Railway Tunnels

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Analysis reveals corrosion impacts service life of rail fastenings and rail base in tunnels, suggesting updates in regulations.

Corrosion significantly affects the service life of rail fastenings, particularly in tunnels, and adjustments are needed in replacement protocols.
Electrocorrosion leads to a corrosion rate of 0.91 mm/year at a rail potential of 100 V, equivalent to an acidic environment with pH 2.6.
Theoretical studies and field tests were conducted to analyze electrocorrosion mechanisms impacting track superstructure elements.
Insights from this research could influence regulatory changes for maintenance and replacement of railway assets.

Pluhin et al. (2025) studied this question.

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View Full Paper

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Authors

Analysis reveals corrosion impacts service life of rail fastenings and rail base in tunnels, suggesting updates in regulations.

Corrosion significantly affects the service life of rail fastenings, particularly in tunnels, and adjustments are needed in replacement protocols.
Electrocorrosion leads to a corrosion rate of 0.91 mm/year at a rail potential of 100 V, equivalent to an acidic environment with pH 2.6.
Theoretical studies and field tests were conducted to analyze electrocorrosion mechanisms impacting track superstructure elements.
Insights from this research could influence regulatory changes for maintenance and replacement of railway assets.

Pluhin et al. (2025) studied this question.

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