Wear of Rail Profile in Full Scale Test Rig with the Variation of Test Conditions

초록

In this paper, a method to analyze rolling contact wear on a rail of full scale wheel rail contact simulator was developed using the finite elements method and numerical analysis. A three dimensional finite elements model was used in order to analyze the contact characteristics when wheel rail test specimen get rolling contact in full scale testing machine. A numerical analysis of rail wear at rolling contact was predicted using the Archard’s equation. In addition, the characteristics of rail wear with the variation of test condition such as vertical load and lateral force were analyzed. Results show that there was not a large difference in the depths of wear on the rail head with increasing vehicle speed, but the wear on the rail gauge corner increased with increasing vehicle speed.