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Evaluation of Stress and Fatigue of a Rail Vehicle Suspension Component

Author

Listed:
  • 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)

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.

Suggested Citation

  • Michał Opala & Jarosław Korzeb & Seweryn Koziak & Rafał Melnik, 2021. "Evaluation of Stress and Fatigue of a Rail Vehicle Suspension Component," Energies, MDPI, vol. 14(12), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:12:p:3410-:d:571928
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