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  • The contribution is focused on estimation of a critical value of generalized stress intensity factor for crack propagation from sharp V-notches. Stress distribution around the tip of the V-notch is described on the base of generalized linear elastic fracture mechanics, because V-notch is a singular stress concentrator with stress singularity exponent different from 0.5 (depending on V-notch opening angle). Then also stability criteria based on strain energy density factor and average critical stress are generalized for the stress singularity different from 0.5. Using FE analysis the critical stresses for crack initiation was estimated and compared with experimental data from the literature.
  • The contribution is focused on estimation of a critical value of generalized stress intensity factor for crack propagation from sharp V-notches. Stress distribution around the tip of the V-notch is described on the base of generalized linear elastic fracture mechanics, because V-notch is a singular stress concentrator with stress singularity exponent different from 0.5 (depending on V-notch opening angle). Then also stability criteria based on strain energy density factor and average critical stress are generalized for the stress singularity different from 0.5. Using FE analysis the critical stresses for crack initiation was estimated and compared with experimental data from the literature. (en)
Title
  • Critical Value for Crack Propagation from Sharp V-notch
  • Critical Value for Crack Propagation from Sharp V-notch (en)
skos:prefLabel
  • Critical Value for Crack Propagation from Sharp V-notch
  • Critical Value for Crack Propagation from Sharp V-notch (en)
skos:notation
  • RIV/00216305:26210/14:PU105222!RIV15-MSM-26210___
http://linked.open...avai/riv/aktivita
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  • S
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  • 1
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  • 9212
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  • RIV/00216305:26210/14:PU105222
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  • V-notch, linear elastic fracture mechanics, stress singularity, generalized stress intensity factor, generalized strain energy density factor. (en)
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  • CH - Švýcarská konfederace
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  • [F4D6A1431A65]
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  • Key Engineering Materials (print)
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  • 592-593
http://linked.open...iv/tvurceVysledku
  • Hutař, Pavel
  • Majer, Zdeněk
  • Náhlík, Luboš
  • Štegnerová, Kateřina
issn
  • 1013-9826
number of pages
http://bibframe.org/vocab/doi
  • 10.4028/ww10.4028/www.scientific.net/KEM.592-593.177
http://localhost/t...ganizacniJednotka
  • 26210
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