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  • The microtortuosity of the crack front induces a local mixed mode 1+2+3 even in case of the remote mode I loading. It causes a shielding effect not taken into account in standard procedures for evaluation of fracture characteristics. The main aim of this work is to perform a 3D BEM analysis of the elastic stress-strain field at the front of real-like intergranular cracks. Results of this analysis are evaluated in terms of the integral effective stress intensity factor keff related to the intergranular ccrack front. Quantitative estimation of the corresponding shielding level can be used for correcting values of fracture toughness in order to get intrinsic component characterising well the real resistance of grain boundaries against the unstable crack growth initiation.
  • The microtortuosity of the crack front induces a local mixed mode 1+2+3 even in case of the remote mode I loading. It causes a shielding effect not taken into account in standard procedures for evaluation of fracture characteristics. The main aim of this work is to perform a 3D BEM analysis of the elastic stress-strain field at the front of real-like intergranular cracks. Results of this analysis are evaluated in terms of the integral effective stress intensity factor keff related to the intergranular ccrack front. Quantitative estimation of the corresponding shielding level can be used for correcting values of fracture toughness in order to get intrinsic component characterising well the real resistance of grain boundaries against the unstable crack growth initiation. (en)
Title
  • Effective Stress Intensity Factor for Crack of Intergranular Morphology.
  • Effective Stress Intensity Factor for Crack of Intergranular Morphology. (en)
skos:prefLabel
  • Effective Stress Intensity Factor for Crack of Intergranular Morphology.
  • Effective Stress Intensity Factor for Crack of Intergranular Morphology. (en)
skos:notation
  • RIV/00216305:26210/01:PU20109!RIV/2002/MSM/262102/N
http://linked.open.../vavai/riv/strany
  • 737-745
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(OC 517.30)
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
  • 678838
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26210/01:PU20109
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Effective stress intensity factor, intergranular crack front, shielding effect, ultra high strength steels, boundary element method, CT specimen. (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [E32D60E0ED15]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • Materials Structure & Micromechanics of Fracture (MSMF-3)
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Pokluda, Jaroslav
  • Horníková, Jana
  • Šandera, Pavel
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Vysoké učení technické v Brně. Nakladatelství VUTIUM
https://schema.org/isbn
  • 80-214-1892-3
http://localhost/t...ganizacniJednotka
  • 26210
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