I+II mixed-mode fatigue crack propagation under combination of tensile loading and corrosion in a HSS specimen

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F24%3APU147247" target="_blank" >RIV/00216305:26110/24:PU147247 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27120/24:10256879

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S2452321624004335" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2452321624004335</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.prostr.2024.05.004" target="_blank" >10.1016/j.prostr.2024.05.004</a>

Jazyk výsledku

angličtina

Název v původním jazyce

I+II mixed-mode fatigue crack propagation under combination of tensile loading and corrosion in a HSS specimen

Popis výsledku v původním jazyce

Engineering components are often subjected to various unfavourable working environment. Any contact of a metal structure with water can cause development of corrosion pits in its surface area. Therefore, there is a large demand to investigate how such corrosion defects interact with other ones, such as notches, cracks etc. This is the topic investigated within this paper. A rectangular specimen with an angled crack subjected to remote tensile loading is modelled numerically via finite element method. The main goal is to analyse how the crack propagation is influenced by the presence of a corrosion pit located in the very close vicinity of the sharp edge-crack. In the numerical model various geometry parameters can be easily changed in order to investigate the effect of individual parameters. The analysis is made under conditions of the linear elastic fracture mechanics principles. Because the crack is oriented arbitrarily towards the remote tensile loading, the crack propagates under mixed-mode (I + II) loading conditions. Considering the mixed-mode conditions, the crack can deflect from its original direction and this kinking angle can be estimated via various fracture criteria, such as the maximum tangential stress criterion derived by Erdogan and Sih. The results obtained within the study are discussed in detail and several conclusions are stated.

Název v anglickém jazyce

I+II mixed-mode fatigue crack propagation under combination of tensile loading and corrosion in a HSS specimen

Popis výsledku anglicky

Engineering components are often subjected to various unfavourable working environment. Any contact of a metal structure with water can cause development of corrosion pits in its surface area. Therefore, there is a large demand to investigate how such corrosion defects interact with other ones, such as notches, cracks etc. This is the topic investigated within this paper. A rectangular specimen with an angled crack subjected to remote tensile loading is modelled numerically via finite element method. The main goal is to analyse how the crack propagation is influenced by the presence of a corrosion pit located in the very close vicinity of the sharp edge-crack. In the numerical model various geometry parameters can be easily changed in order to investigate the effect of individual parameters. The analysis is made under conditions of the linear elastic fracture mechanics principles. Because the crack is oriented arbitrarily towards the remote tensile loading, the crack propagates under mixed-mode (I + II) loading conditions. Considering the mixed-mode conditions, the crack can deflect from its original direction and this kinking angle can be estimated via various fracture criteria, such as the maximum tangential stress criterion derived by Erdogan and Sih. The results obtained within the study are discussed in detail and several conclusions are stated.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20102 - Construction engineering, Municipal and structural engineering

Projekt

<a href="/cs/project/GA21-14886S" target="_blank" >GA21-14886S: Vliv materiálových vlastností vysokopevnostních ocelí na trvanlivost inženýrských staveb a mostů</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název statě ve sborníku

Procedia of Structural Integrity

ISBN

—

ISSN

2452-3216

e-ISSN

—

Počet stran výsledku

6

Strana od-do

17-22

Název nakladatele

Elsevier

Místo vydání

online

Místo konání akce

Dubrovník

Datum konání akce

20. 9. 2022

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—