A Comparative Study on Corrosion Behaviors of Pearlitic Rails Generally Used in Railway Tracks
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This study aims to compare corrosion behaviors of four different quality rails which are generally preferred in railways. Potentiodynamic corrosion test and immersion test were performed for R260, R260Mn, R260 Grooved and R350HT quality rails. Microstructures of specimens were characterized by Scanning Electron Microscope (SEM) before and after corrosion tests. With this study, effects of chemical composition, rail geometry and heat treatment on corrosion performances of rails were investigated. Results show that R260Mn quality rail exhibits best corrosion performance among the rails. The Same trend could be observed by immersion test.
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