Evaluation of Stress and Fatigue of a Rail Vehicle Suspension Component

Michał Opala, Jarosław Korzeb, Seweryn Koziak and Rafał Melnik
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Michał Opala: Faculty of Transport, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland
Jarosław Korzeb: Faculty of Transport, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland
Seweryn Koziak: Faculty of Transport, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland
Rafał Melnik: Faculty of Computer Science and Food Science, Lomza State University of Applied Sciences, Akademicka 1, 18-400 Łomża, Poland

Energies, 2021, vol. 14, issue 12, 1-14

Abstract: The article discusses the use of pivot bearing friction liners, made of selected materials, in railway freight wagons’ spherical centre bowls. Comparative studies on the effect of suspension dynamics on the equivalent stresses in the liner material were carried out using the finite element method and multibody simulation. The results show the magnitude and location of the highest stresses in the liner with varying input loads, friction coefficients and interacting materials. The analysis is a basis for a simulation method for predicting the fatigue life of the suspension friction liner placed in the centre bowl between the bogie frame and the vehicle body.

Keywords: fatigue life prediction; railway freight wagon; simulation studies (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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