publication . Doctoral thesis . 2015

Simulation and Measurement of Wheel on Rail Fatigue and Wear

Dirks, Babette;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: KTH, Spårfordon
  • Country: Sweden
Abstract
The life of railway wheels and rails has been decreasing in recent years. This is mainly caused by more traffic and running at higher vehicle speed. A higher speed usually generates higher forces, unless compensated by improved track and vehicle designs, in the wheel-rail contact, resulting in more wear and rolling contact fatigue (RCF) damage to the wheels and rails. As recently as 15 years ago, RCF was not recognised as a serious problem. Nowadays it is a serious problem in many countries and ''artificial wear'' is being used to control the growth of cracks by preventive re-profiling and grinding of, respectively, the wheels and rails.  This can be used becaus...
Subjects
free text keywords: multibody simulations, prediction, wear, RCF, wheel, rail, cracks, measurements
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