Development of the plastic zone at the crack tip under cyclic loading in the middle-cracked tension specimen

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00010669%3A_____%2F18%3AN0000072" target="_blank" >RIV/00010669:_____/18:N0000072 - isvavai.cz</a>

Výsledek na webu

<a href="http://experimentalni-mechanika.cz/konference/konference/2018.html?download=1498:development-of-the-plastic-zone-at-the-crack-tip-under-cyclic-loading-in-the-middle-cracked-tension-specimen" target="_blank" >http://experimentalni-mechanika.cz/konference/konference/2018.html?download=1498:development-of-the-plastic-zone-at-the-crack-tip-under-cyclic-loading-in-the-middle-cracked-tension-specimen</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Development of the plastic zone at the crack tip under cyclic loading in the middle-cracked tension specimen

Popis výsledku v původním jazyce

The paper deals with the development of the plastic zone size during cyclic loading. The analysis was carried out using finite element method. The three- dimensional model of M(T) cracked test specimen was discretized by hexahedral elements with fine mesh around the crack tip. The elastic/perfectly-plastic material with isotropic hardening was employed. Cyclic loading with coefficient of the cycle asymmetry was applied up to 100 cycles and the plastic zone area and the size in the direction of crack growth was monitored. The cyclic plastic zone size in the centre of the specimen, where plain strain prevails, remains approximately constant, but near the free sides, the size is reduced with increasing number of cycles and tends to form the shape and size of plain strain. The size development in the plain strain conditions in upwards part of the cycle can be described by power low with exponent ~4 for monotonic and cyclic zone as well.

Název v anglickém jazyce

Development of the plastic zone at the crack tip under cyclic loading in the middle-cracked tension specimen

Popis výsledku anglicky

The paper deals with the development of the plastic zone size during cyclic loading. The analysis was carried out using finite element method. The three- dimensional model of M(T) cracked test specimen was discretized by hexahedral elements with fine mesh around the crack tip. The elastic/perfectly-plastic material with isotropic hardening was employed. Cyclic loading with coefficient of the cycle asymmetry was applied up to 100 cycles and the plastic zone area and the size in the direction of crack growth was monitored. The cyclic plastic zone size in the centre of the specimen, where plain strain prevails, remains approximately constant, but near the free sides, the size is reduced with increasing number of cycles and tends to form the shape and size of plain strain. The size development in the plain strain conditions in upwards part of the cycle can be described by power low with exponent ~4 for monotonic and cyclic zone as well.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20304 - Aerospace engineering

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název statě ve sborníku

Experimental Stress Analysis - 56th International Scientific Conference, EAN 2018 - Conference Proceedings

ISBN

9788027040629

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

387-392

Název nakladatele

Czech Society for Mechanics

Místo vydání

Liberec

Místo konání akce

Harrachov

Datum konání akce

5. 6. 2018

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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