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In this work, groove-textured surfaces with a certain widths and pitches are manufactured on flat cast iron samples. Whereafter, another material (aluminium and steel, respectively) is filled into the grooves to form a special surface which possesses space-varying properties. These surface-treated specimens are tested in a ball-on-flat system and the ensuring friction-induced vibration and noise are...
In this work, the effect of the grooved disc surface on the tribological behaviour and noise performance of railway brake systems are investigated by using both a pad-on-disc tribometer and a drag-type brake dynamometer. The experimental results obtained from the pad-on-disc tribometer show that the grooves on the disc surface can significantly affect tribological behaviour and consequently affect...
The purpose of present work is to obtain a further understanding of rail corrugation on tight curved tracks. The stability of a wheelset-track system is studied using the finite element complex eigenvalue method. Based on the viewpoint of friction-coupling self-excited vibration causing rail corrugation, an elastic vibration model of the leading wheelset-track system is established. It is assumed...
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