Effects of copper on wear and rolling-sliding contact fatigue of rail steels
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The effects of copper content on the wear and rolling contact fatigue (RCF), specifically rolling sliding contact fatigue (RSCF), of hypereutectoid rail steels were evaluated. Steel from three heats of head hardened, hypereutectoid rails with copper levels of 0.07, 0.38, and 0.85 wt pct were selected for the study. All of the material was industrially produced through electric arc steelmaking at EVRAZ, Pueblo. Wear behavior was evaluated through the use of twin disc testing for the three hypereutectoid rail steels. The samples were measured at specific intervals. A high wear rate was observed ...