Detail publikačního výsledku

Critical Value for Crack Propagation from Sharp V-notch

NÁHLÍK, L.; ŠTEGNEROVÁ, K.; HUTAŘ, P.; MAJER, Z.

Originální název

Critical Value for Crack Propagation from Sharp V-notch

Anglický název

Critical Value for Crack Propagation from Sharp V-notch

Druh

Článek WoS

Originální abstrakt

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.

Anglický abstrakt

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.

Klíčová slova

V-notch, linear elastic fracture mechanics, stress singularity, generalized stress intensity factor, generalized strain energy density factor.

Klíčová slova v angličtině

V-notch, linear elastic fracture mechanics, stress singularity, generalized stress intensity factor, generalized strain energy density factor.

Autoři

NÁHLÍK, L.; ŠTEGNEROVÁ, K.; HUTAŘ, P.; MAJER, Z.

Rok RIV

2017

Vydáno

06.01.2014

ISSN

1013-9826

Periodikum

Key Engineering Materials (print)

Svazek

592-593

Číslo

1

Stát

Švýcarská konfederace

Strany od

177

Strany do

180

Strany počet

4

BibTex

@article{BUT101763,
  author="Luboš {Náhlík} and Kateřina {Štegnerová} and Pavel {Hutař} and Zdeněk {Majer}",
  title="Critical Value for Crack Propagation from Sharp V-notch",
  journal="Key Engineering Materials (print)",
  year="2014",
  volume="592-593",
  number="1",
  pages="177--180",
  doi="10.4028/www.scientific.net/KEM.592-593.177",
  issn="1013-9826"
}