Stress Intensity Factors for Cracks Emanating from a Notch under Shear-Mode Loading

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F18%3APU130074" target="_blank" >RIV/00216305:26210/18:PU130074 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.774.48" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/KEM.774.48</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.774.48" target="_blank" >10.4028/www.scientific.net/KEM.774.48</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Stress Intensity Factors for Cracks Emanating from a Notch under Shear-Mode Loading

Popis výsledku v původním jazyce

The influence of the notch geometry on the stress intensity factor at the front of the emanating cracks is well known for the opening loading mode. The critical length of the crack corresponding to a vanishing of the influence of the notch stress concentration can be approximately expressed by the formula aI,c = 0.5ρ(d/ρ)1/3, where d and ρ are the depth and radius of the notch, respectively. The aim of the paper was to find out if this formula could be, at least nearly, applicable also to the case of shear mode loading. The related numerical calculations for mode II and III loading were performed using the ANSYS code for various combinations of notch depths and crack lengths in a cylindrical specimen with a circumferential U-notch. The results revealed that, for mode II loading, the critical length was much higher than that predicted by the formula for mode I loading. On the other hand, the critical lengths for mode I and mode III were found to be nearly equal.

Název v anglickém jazyce

Stress Intensity Factors for Cracks Emanating from a Notch under Shear-Mode Loading

Popis výsledku anglicky

The influence of the notch geometry on the stress intensity factor at the front of the emanating cracks is well known for the opening loading mode. The critical length of the crack corresponding to a vanishing of the influence of the notch stress concentration can be approximately expressed by the formula aI,c = 0.5ρ(d/ρ)1/3, where d and ρ are the depth and radius of the notch, respectively. The aim of the paper was to find out if this formula could be, at least nearly, applicable also to the case of shear mode loading. The related numerical calculations for mode II and III loading were performed using the ANSYS code for various combinations of notch depths and crack lengths in a cylindrical specimen with a circumferential U-notch. The results revealed that, for mode II loading, the critical length was much higher than that predicted by the formula for mode I loading. On the other hand, the critical lengths for mode I and mode III were found to be nearly equal.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20301 - Mechanical engineering

Projekt

<a href="/cs/project/GJ17-15716Y" target="_blank" >GJ17-15716Y: Inherentní odpor proti šíření únavových smykových trhlin v kovových materiálech</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Key Engineering Materials: Advances in Fracture and Damage Mechanics XVII

ISBN

9783035713503

ISSN

1013-9826

e-ISSN

—

Počet stran výsledku

6

Strana od-do

48-53

Název nakladatele

Trans Tech Publications

Místo vydání

Neuveden

Místo konání akce

Sevilla

Datum konání akce

4. 9. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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