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Fatigue crack propagation in steels for railway axles

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F14%3APU105184" target="_blank" >RIV/00216305:26210/14:PU105184 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.592-593.254" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/KEM.592-593.254</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.592-593.254" target="_blank" >10.4028/www.scientific.net/KEM.592-593.254</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fatigue crack propagation in steels for railway axles

  • Original language description

    The paper deals with the influence of order of cycles in the loading block on the fatigue crack growth rate in railway axle. The railway axle can include some cracks from manufacturing process or initiated fatigue cracks from previous operation. It is advantageous to know how the crack will behave during further service of the train to ensure its safe operation. The classical approaches describing the fatigue crack growth do not take into account the effects of overload cycles, which enlarge the plastic zone ahead of the crack tip. The enlarged plastic zone generates residual compressive stresses, which cause a retardation of the fatigue crack growth. Finite element numerical calculations were used together with the generalized Willenborg model to determine influence of overload cycles on the increment of fatigue crack growing in railway axles. Real geometry of the axle, the crack front shape and typical loading spectrum were taken into account.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20306 - Audio engineering, reliability analysis

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2014

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Key Engineering Materials (print)

  • ISSN

    1013-9826

  • e-ISSN

  • Volume of the periodical

    2014

  • Issue of the periodical within the volume

    592-593

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    4

  • Pages from-to

    254-257

  • UT code for WoS article

    000336694400055

  • EID of the result in the Scopus database

    2-s2.0-84891852490