Numerical investigation on the rolling contact wear and fatigue of laser dispersed quenched U71Mn rail

J Zhao, H Miao, Q Kan, P Fu, L Ding, G Kang… - International Journal of …, 2021 - Elsevier
The influences of laser dispersed quenching (LDQ) technology on the rolling contact wear
and fatigue of U71Mn rail were investigated numerically. Firstly, based on the improved …

A new stress-based model to predict the fatigue life of 880-grade pearlitic rail steel under uniaxial ratcheting conditions

RK Yadav, KP Ajit - International Journal of Fatigue, 2023 - Elsevier
This work explores a comparative analysis to verify the applicability of the existing stress-
based model to predict life under ratcheting for pearlitic rail steel. The walker model is the …

Use of the fatigue index to study rolling contact wear

FS Vicente, MP Guillamón - Wear, 2019 - Elsevier
Although both wear and fatigue are inevitably associated with the wheel/rail contact, they
are normally studied as different phenomena and both are commonly considered excluding …

Strain amplitude-dependent cyclic softening behavior of carbide-free bainitic rail steel: Experiments and modeling

X Xu, Z Wang, X Zhang, G Gao, P Wang… - International Journal of …, 2022 - Elsevier
Experimental investigations of Carbide-free bainite (CFB) rail steel under different strain
amplitudes are conducted to indicate the cyclic deformation feature and hysteresis loop …

Microstructure and mechanical properties of the running band in a pearlitic rail steel: Comparison between biaxially deformed steel and field samples

KA Meyer, D Nikas, J Ahlström - Wear, 2018 - Elsevier
The large deformations occurring in the surface layer of rail heads strongly influence the
material behavior. Cracks typically develop from this critical region. However, conventional …

An optimization design of contact interface material stiffness for improving the uniformity of the contact pressure

Q Lin, N Yang, J Hong, L Liu… - Journal of …, 2020 - asmedigitalcollection.asme.org
Material stiffness, a significant parameter of a contact interface, is investigated to improve the
uniformity of the contact pressure. A contact interface material stiffness optimization design …

FEA of mechanical behaviour of insulated rail joints due to vertical cyclic wheel loadings

NK Mandal, M Spiryagin, Q Wu, Z Wen… - Engineering Failure …, 2022 - Elsevier
Insulated rail joints (IRJs), safety critical components of railway track, are used to locate
trains and broken rails using electrical signalling systems. The bending rigidity of the rail at …

Rail degradation due to thermite weld discontinuities: Field experience

M Messaadi, I Grossoni, P Shackleton… - Engineering Failure …, 2021 - Elsevier
This paper details the field-testing approach and results of thermite welds used in railway
applications. Rail steels made from R260 grades are welded by two different processes: the …

Study on rolling contact fatigue crack initiation and propagation in U75V rail treated by laminar plasma

R Wang, Z Tan, Y Tian, J Zhang, Y Gao, A Shan… - Tribology …, 2024 - Elsevier
Surface discrete hardening by laminar plasma (HLP) enhances rail wear resistance by
rapidly quenching surfaces to form discrete martensitic zones. In comparative field tests on a …

[HTML][HTML] Ratcheting behaviour of Stellite 21 as laser cladding material for flange tip lift crossings repair

A Hiew, PT Maung, BG Prusty, Q Lai, CL Pun… - International Journal of …, 2025 - Elsevier
Laser cladding holds the promise to repair damaged rails, including flange tip lift crossings
(FTLC) in tram rails. In order to further understand the effectiveness of laser cladding against …