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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F12%3APU101109%21RIV13-GA0-26210___
rdf:type
skos:Concept n12:Vysledek
dcterms:description
The research was focused on the near-threshold fatigue crack propagation under mixed-mode II+III in the ARMCO iron. The aim was to evaluate selected mixed-mode criteria to find a suitable description of the mixed-mode crack propagation. The data were taken from experiments on cylindrical bars with circumferential cracked notch loaded in shear. The crack was loaded by various combination of modes II and III. The dependences of stress intensity factors (SIFs) in mode II and III on the position on the specimen cross section and on the precrack length were numerically calculated using FEM. Because of the crack closure effect, the effective SIF was dependent on the crack extension. For sorting out the mixed-mode data, simple criteria were proposed and analyzed. All these criteria are normalized to 1 when approaching the mixed-mode threshold. The research was focused on the near-threshold fatigue crack propagation under mixed-mode II+III in the ARMCO iron. The aim was to evaluate selected mixed-mode criteria to find a suitable description of the mixed-mode crack propagation. The data were taken from experiments on cylindrical bars with circumferential cracked notch loaded in shear. The crack was loaded by various combination of modes II and III. The dependences of stress intensity factors (SIFs) in mode II and III on the position on the specimen cross section and on the precrack length were numerically calculated using FEM. Because of the crack closure effect, the effective SIF was dependent on the crack extension. For sorting out the mixed-mode data, simple criteria were proposed and analyzed. All these criteria are normalized to 1 when approaching the mixed-mode threshold.
dcterms:title
Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron
skos:prefLabel
Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron
skos:notation
RIV/00216305:26210/12:PU101109!RIV13-GA0-26210___
n12:predkladatel
n13:orjk%3A26210
n3:aktivita
n14:I n14:P
n3:aktivity
I, P(GAP108/10/0698)
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n6:9413030 n6:6373518 n6:5016908 n6:8275858
n3:druhVysledku
n11:O
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
134647
n3:idVysledku
RIV/00216305:26210/12:PU101109
n3:jazykVysledku
n17:eng
n3:klicovaSlova
mode II+III, crack growth threshold, mixed-mode criteria, ARMCO iron
n3:klicoveSlovo
n10:mixed-mode%20criteria n10:mode%20II%2BIII n10:ARMCO%20iron n10:crack%20growth%20threshold
n3:kontrolniKodProRIV
[3896F337E5D8]
n3:obor
n18:JL
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:projekt
n16:GAP108%2F10%2F0698
n3:rokUplatneniVysledku
n9:2012
n3:tvurceVysledku
Pokluda, Jaroslav Pippan, Reinhard Hohenwarter, Anton Vojtek, Tomáš Šandera, Pavel Horníková, Jana
n15:organizacniJednotka
26210