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Description
  • V práci jsou uvedeny možnosti numerické simulace šíření únavových trhlin pomocí plastického otupení na čele trhliny. Modelování bylo provedeno v konečnoprvkovém systému CASTEM. Výsledky byly porovnány s experimentálními výsledky získanými na ocelích užívaných v jaderné energetice 316LN a P91. (cs)
  • A study of fatigue crack growth due to blunting and re-sharpening of a crack tip is proposed in this article. The numerical modeling is based on elastic-plastic finite element analysis using the CASTEM code. On the model of the long cracks, in a semi-infinite plate, the possibility of reasonable prediction of fatigue crack growth due to crack tip blunting mechanism was studied. A parametric study of the influence of the yield stress of material on fatigue crack growth was made. The crack propagation rate was found to be proportional to the amplitude of the crack tip opening displacement in the usual range of the stress intensity factor (corresponding to small scale yielding conditions). Two different experimentally obtained sets of fatigue crack growth data (316LN and P91 steel) were used for comparison with the numerical predictions.
  • A study of fatigue crack growth due to blunting and re-sharpening of a crack tip is proposed in this article. The numerical modeling is based on elastic-plastic finite element analysis using the CASTEM code. On the model of the long cracks, in a semi-infinite plate, the possibility of reasonable prediction of fatigue crack growth due to crack tip blunting mechanism was studied. A parametric study of the influence of the yield stress of material on fatigue crack growth was made. The crack propagation rate was found to be proportional to the amplitude of the crack tip opening displacement in the usual range of the stress intensity factor (corresponding to small scale yielding conditions). Two different experimentally obtained sets of fatigue crack growth data (316LN and P91 steel) were used for comparison with the numerical predictions. (en)
Title
  • Simulation of fatigue crack growth by crack tip blunting
  • Simulace šíření únavových trhlin vlivem plasticity (cs)
  • Simulation of fatigue crack growth by crack tip blunting (en)
skos:prefLabel
  • Simulation of fatigue crack growth by crack tip blunting
  • Simulace šíření únavových trhlin vlivem plasticity (cs)
  • Simulation of fatigue crack growth by crack tip blunting (en)
skos:notation
  • RIV/68081723:_____/06:00044942!RIV07-AV0-68081723
http://linked.open.../vavai/riv/strany
  • 1;8
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP106/06/P239), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 499403
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/06:00044942
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • plastic blunting; fatigue crack (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4792AE201E58]
http://linked.open...v/mistoKonaniAkce
  • Alexandroupolis
http://linked.open...i/riv/mistoVydani
  • Dordrecht
http://linked.open...i/riv/nazevZdroje
  • Fracture of Nano and Engineering Materials and Structures : proceedings
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hutař, Pavel
  • Sauzay, M.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Springer-Verlag
https://schema.org/isbn
  • 1-4020-4971-4
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