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NÁHLÍK, L. ŠTEGNEROVÁ, K. HUTAŘ, P. MAJER, Z.
Original Title
Critical Value for Crack Propagation from Sharp V-notch
Type
journal article in Web of Science
Language
English
Original Abstract
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.
Keywords
V-notch, linear elastic fracture mechanics, stress singularity, generalized stress intensity factor, generalized strain energy density factor.
Authors
NÁHLÍK, L.; ŠTEGNEROVÁ, K.; HUTAŘ, P.; MAJER, Z.
RIV year
2014
Released
6. 1. 2014
ISBN
1013-9826
Periodical
Key Engineering Materials (print)
Year of study
592-593
Number
1
State
Swiss Confederation
Pages from
177
Pages to
180
Pages count
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" }