Determination of the fatigue PSN curves–A critical review and improved backward statistical inference method

C Li, S Wu, J Zhang, L Xie, Y Zhang - International Journal of Fatigue, 2020 - Elsevier
To increase the prediction accuracy of small-number sample life data, improved backward
statistical inference approach (ISIA) was formulated using the modified distribution …

[HTML][HTML] 铁路车辆部件抗疲劳评估的进展与挑战

吴圣川, 任鑫焱, 康国政, 马利军, 张晓军… - 交通运输工程 …, 2021 - transport.chd.edu.cn
从铁路车辆的安全运用及服役评估出发, 论述了转向架部件(如构架, 车轴等)
的抗疲劳评估及应用进展, 重点分析了合金钢EA4T 车轴和碳素钢S38C 车轴的设计理念差别 …

Fatigue resistance and remaining life assessment of induction-hardened S38C steel railway axles

Y Hu, Q Qin, S Wu, X Zhao, W Wang - International Journal of Fatigue, 2021 - Elsevier
The remaining life assessment of damaged railway axles is an important topic primarily
because of extending the maintenance interval. However, the fatigue resistance of surface …

Stochastic approach to fatigue crack-growth simulation for a railway axle under input data variability

V Giannella - International Journal of Fatigue, 2021 - Elsevier
Fatigue crack-growth of mechanical components is stochastic in nature and deterministic
approaches do not allow for its complete study. Primary sources of this stochasticity can be …

On the fatigue performance and residual life of intercity railway axles with inside axle boxes

SC Wu, YX Liu, CH Li, GZ Kang, SL Liang - Engineering Fracture …, 2018 - Elsevier
Railway axles with inside axle boxes have a great potential in modern urban railway system
due to good dynamic performance on small-radius track. However, because of entirely …

Uncertainty quantification in fatigue crack-growth predictions

V Giannella - International Journal of Fracture, 2022 - Springer
The reliability of the damage tolerance approach to engineering design is affected by
numerous sources of uncertainty that can lead to unsafe predictions, in turn jeopardizing the …

Influence of heat treatment-induced residual stress on residual fatigue life of railway axles

P Pokorný, P Dlhý, J Poduška, R Fajkoš… - Theoretical and Applied …, 2020 - Elsevier
Assessment of residual fatigue life of railway axles commonly does not include effect of
residual stress. This paper presents advanced methodology for estimation of residual fatigue …

Crack closure in near-threshold fatigue crack propagation in railway axle steel EA4T

P Pokorný, T Vojtek, L Náhlík, P Hutař - Engineering Fracture Mechanics, 2017 - Elsevier
The paper is focused on fatigue crack propagation in the threshold area of the EA4T railway
axle steel. Railway axles represent one of the most critical components for safety of trains …

On the residual life assessment of high-speed railway axles due to induction hardening

SC Wu, ZW Xu, YX Liu, GZ Kang… - International Journal of …, 2018 - Taylor & Francis
Surface hardening treatment can significantly increase the hardness of axle surface and
introduce negative residual stress field into the axle. This work proposed an integrated …

Numerical investigation on the fracture failure of a railway axle

V Giannella, R Sepe, A Borrelli, G De Michele… - Engineering Failure …, 2021 - Elsevier
Railway axles are designed to be highly reliable so as to ensure even more than 30 years of
service. Even though they are periodically inspected by scheduled Non Destructive Testing …