Publication detail

Influence of Threshold Values on Residual Fatigue Lifetime of Railway Axles under Variable Amplitude Loading

POKORNÝ, P. NÁHLÍK, L. HUTAŘ, P.

Original Title

Influence of Threshold Values on Residual Fatigue Lifetime of Railway Axles under Variable Amplitude Loading

Type

journal article in Web of Science

Language

English

Original Abstract

The paper deals with an estimation of residual fatigue lifetime of railway axles under real loading spectrum. The residual fatigue lifetime is given by magnitude of fatigue crack propagation rate. This rate depends predominantly on load, geometry and material of the axle. Standard steel EA4T for manufacturing of railway axles is considered in this paper. The scatter of data in v-K curve could be caused by inaccuracy of experimental measurement or by local change of material properties. The paper shows important differences between obtained residual fatigue lifetime estimations considering scatter in measured material data, especially near the threshold region.

Keywords

railway axle; residual fatigue lifetime; fatigue crack; EA4T

Authors

POKORNÝ, P.; NÁHLÍK, L.; HUTAŘ, P.

RIV year

2015

Released

20. 3. 2015

Publisher

Elsevier

ISBN

1877-7058

Periodical

Procedia Engineering

Year of study

101

Number

1

State

Kingdom of the Netherlands

Pages from

380

Pages to

385

Pages count

6

URL

https://www.sciencedirect.com/science/article/pii/S187770581500644X

Full text in the Digital Library

http://hdl.handle.net/11012/194750

BibTex

@article{BUT115432,
  author="Pavel {Pokorný} and Luboš {Náhlík} and Pavel {Hutař}",
  title="Influence of Threshold Values on Residual Fatigue Lifetime of Railway Axles under Variable Amplitude Loading",
  journal="Procedia Engineering",
  year="2015",
  volume="101",
  number="1",
  pages="380--385",
  doi="10.1016/j.proeng.2015.02.046",
  issn="1877-7058",
  url="https://www.sciencedirect.com/science/article/pii/S187770581500644X"
}