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Sensitivity of numerically modelled crack closure to material

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F23%3APU147405" target="_blank" >RIV/00216305:26210/23:PU147405 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S2452321622006722" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2452321622006722</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.prostr.2022.12.115" target="_blank" >10.1016/j.prostr.2022.12.115</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Sensitivity of numerically modelled crack closure to material

  • Original language description

    Crack closure is a phenomenon which slows down fatigue crack propagation and leads to higher residual life of components and to a change in the crack front curvature. Because of the significant impact on the fatigue crack growth rate, the scientific and engineering community has been trying to describe this phenomenon very precisely. One of the most frequently described closure mechanisms is plasticity-induced crack closure (PICC) which is dominant in the Paris regime. In the presented work, a CT specimen has been modelled three-dimensionally and the PICC estimations have been done for different models of materials to investigate their sensitivity. The models were cyclically loaded by forces inducing maximal stress intensity factor of 17 MPa√m at the load ratio R=0.1. The crack was curved according to conducted experiments. Even though Newman’s equation estimates PICC almost constant, differences were observed from finite element simulations.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    20306 - Audio engineering, reliability analysis

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Procedia Structural Integrity

  • ISSN

    2452-3216

  • e-ISSN

  • Volume of the periodical

    42

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    IT - ITALY

  • Number of pages

    8

  • Pages from-to

    911-918

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85158939438