Research on the Degradation Process of Railway Rails Due to Lifespan Exceeding

• Autorzy: Berbecaru Andrei-Constantin , Coman George , Ciucă Sorin , Gherghescu Ioana-Arina , Sohaciu Mirela , Grădinaru Catalin , Predescu Cristian

Identyfikatory

DOI

10.24425/amm.2022.137787

• Języki publikacji: EN

Abstrakty

EN

The paper presents the impact of exceeding the railway rails lifespan which usually causes a railway structural failure, thus an accident. The research highlights the rails’s high degradation, especially on the running area, consisting in 60-70% weight loss by advanced wear of the rail, followed by fatigue fracture caused by alternating cyclic stresses that initiates the crack and also by tensile stresses resulting in the crack growth. The chemical composition, structural and mechanical properties were analyzed in order to establish the causes that led to the railway rails rupture.

Słowa kluczowe

EN

degradation; advanced wear; fatigue fracture; railway rails lifespan

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 2
• Strony: 535--540
• Opis fizyczny: Bibliogr. 15 poz., fot., rys., tab.

Twórcy

autor

Berbecaru Andrei-Constantin

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0001-9122-236X

autor

Coman George

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0003-2581-1697

autor

Ciucă Sorin

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0002-4343-5704

autor

Gherghescu Ioana-Arina

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0002-8054-4029

autor

Sohaciu Mirela

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0003-3266-3178

autor

Grădinaru Catalin

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0002-8299-9502

autor

Predescu Cristian

• Politehnica University of Bucharest, Faculty of Materials Science and Engineering, 313 Splaiul Independenței, 060042 Bucharest, Romania

• https://orcid.org/0000-0003-0337-7690

Bibliografia

• [1] M.Ph. Papaelias, C. Roberts, C.L. Davis, A review on non-destructive evaluation of rails: state-of-the-art and future developments, J. Rail Rapid Transit, 367-384 (2008).
• [2] H. Schwarz, Improving the sustainability of transport - The rail sector as a case study, International Union of Railways Report, New York, 2011
• [3] A. Ekberg, B. Åkesson, E. Kabo, Wheel/rail rolling contact fatigue - Probe, Predict, Prevent, Wear 314 (1-2), 2-12 (2014).
• [4] Casey Jessop, Damage and defects in railway materials: influence of mechanical and thermal damage on crack initiation and propagation, PhD thesis, Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg, Sweden, 2019.
• [5] M. Steenbergen, R. Dollevoet, On the mechanism of squat formation on train rails - Part I: Origination, Int. J. Fatigue 47, 361-372 (2013).
• [6] M. Steenbergen, R. Dollevoet, On the mechanism of squat formation on train rails - Part II: Growth, Int. J. Fatigue 47, 373-381 (2013).
• [7] S.L. Grassie, D.I. Fletcher, E.A. Gallardo-Hernandez, P. Summers, ‘Squats’ and ‘studs’ in rails: similarities and differences, Proc. Inst. Mech. Eng. Part F J. Rail Rapid Transit 226 (3), 243-256 (2011).
• [8] J.E. Garnham, J.H. Beynon, The early detection of rolling-sliding contact fatigue cracks, Wear 144 (1-2), 103-116 (1991).
• [9] S.L. Grassie, Squats and squat-type defects in rails: the understanding to date, J. Rail Rapid Transit 226, 235-242 (2011).
• [10] C. Bernsteiner, G. Müller, A. Meierhofer, K. Six, D. Künstner, P. Dietmaier, Development of white etching layers on rails : simulations and experiments 367, 116-122 (2016).
• [11] W. Österle Rooch, H., Pyzalla, A., Wang, L., Investigation of white etching layers on rails by optical microscopy, electron microscopy, X-ray and synchotron X-ray diffraction, Mater. Sci. Eng. A 303, 150-157 (2001).
• [12] R.I. Carroll, J.H. Beynon, Rolling contact fatigue of white etching layer: Part 1 Crack morphology, Wear 262, 1253-1266 (2007).
• [13] S. Pal, W. Daniel, M. Farjoo, Early stages of rail squat formation and the role of a white etching layer, Int. J. Fatigue 52, 144-156 (2013).
• [14] A. Yuriev, V. Kormyshev, V. Gromov, Y. Ivanov, A. Semin, Formation of gradient structure in rails at long-term operation, Mat. Res. 23 (6), 1-6 (2020).
• [15] http://www.phase-trans.msm.cam.ac.uk/parliament.html, Innovation in Rail Steel, Mr. J.K. Yates Manager, Product Development and Technical Support British Steel Track Products.

Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).