Abstract
Experimental study of rail corrugation developed on tight curve has been carried out using a corrugation simulator, which can apply longitudinal and lateral creepage on rolling contact surfaces. Vibrations, dynamic creepage and surface deformations were simultaneously measured throughout the corrugation development. The relation between vertical vibration and oscillation of creepage vibration has been clarified from the experimental results. In addition, the wear rate determined by these vibrations agreed well with the deformation rate of the surface. The mechanism of the initiation and development of rail corrugation has been clarified from these results.
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