Influence of different crack propagation rate descriptions on the residual fatigue lifetime of railway axles

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F15%3A00449783" target="_blank" >RIV/68081723:_____/15:00449783 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.627.469" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/KEM.627.469</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.627.469" target="_blank" >10.4028/www.scientific.net/KEM.627.469</a>

Result language

angličtina

Original language name

Influence of different crack propagation rate descriptions on the residual fatigue lifetime of railway axles

Original language description

The paper deals with an estimation of the residual fatigue lifetime of the railway axles. The railway axles can include some cracks either from manufacturing process or from previous loading operation. Because of cyclic loading of the railway axles thereis a risk of fatigue failure of the railway axles with unacceptable consequences. Based on this fact, for conservative establishment of the residual fatigue lifetime of the railway axle is necessary to consider an existing crack in the railway axle during design process. The fatigue lifetime estimation of railway axles is very sensitive to used crack propagation rate description (e.g. v-K curve). Typical bending of this curve (knee) can be found in the vicinity of the threshold value in fatigue crack propagation rate dependence (typically v-K curve expressed in log-log coordinates). For accurate estimation of residual fatigue lifetime of the railway axle is necessary to use approximation of v-K curve that takes into account existence o

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JL - Fatigue and fracture mechanics

OECD FORD branch

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Project

<a href="/en/project/EE2.3.30.0063" target="_blank" >EE2.3.30.0063: Talented postdocs for scientific excellence in physics of materials</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Advances in Fracture and Damage Mechanics XIII

ISBN

978-3-03835-235-8

ISSN

1013-9826

e-ISSN

—

Number of pages

4

Pages from-to

469-472

Publisher name

Trans Tech publications

Place of publication

Zürich

Event location

S?o Miguel Island, Azores

Event date

Sep 23, 2014

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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