Rolling contact fatigue

Damage function development from two-disc test data

Conference paper (2018)

Authors

E.J.M. Hiensch Railway Engineering - CEG , DEKRA Rail
N.D.M. Burgelman DEKRA Rail
Research Group
Railway Engineering (CEG) (TU Delft)
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Published Date

2018

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Engineering Structures

Research Group

Railway Engineering

Abstract

The concept of the rail damage function provides vital understanding of the operational performance of rail grades in terms of surface degradation. Previously, material specific damage functions have been derived from measurements in track combined with vehicle-track simulations. However, from the occurring wide range in track loading conditions it is difficult to achieve clear characterization results from track data only. To reach more controlled loading conditions, a rollingsliding two-disc laboratory set up could be applied. The validation of a two-disc test approach in order to define rail/wheel interface wear and RCF response is the topic of the here proposed study.

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