Low cycle fatigue behaviour of ductile aluminium alloys using the inelastic energy approach

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F21%3A00534337" target="_blank" >RIV/61388998:_____/21:00534337 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/21:00534337

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0921509320314490?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0921509320314490?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.msea.2020.140385" target="_blank" >10.1016/j.msea.2020.140385</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Low cycle fatigue behaviour of ductile aluminium alloys using the inelastic energy approach

Popis výsledku v původním jazyce

This study presents the experimental and computational investigation of the low cycle fatigue behaviour of the ductile aluminium alloy AA 5083-H111 using the inelastic energy approach. The proposed computational model consists of a damage initiation and damage evolution period considering a complete history of the cyclic stressstrain response previously determined using LCF-tests. In computational modelling, the nonlinear isotropic/kinematic hardening is considered using the Chaboche constitutive equations, while the direct cyclic algorithm implemented in the Abaqus/Standard software is used to obtain the stabilised response of a specimen subjected to the cyclic loading. In order to examine the damage evolution paths, finite elements with severe damage arendetected, and then removed from the finite element model in the subsequent numerical simulations. The proposed material model was validated by the comparison of the computationally and experimentally determined history of hysteresis loops and complete damage behaviour considering both damage initiation and the damage evolution period. Although the proposed approach has been validated for the aluminium alloy AA 5083-H111 with the characterised microstructure, it may also be used to simulate the fatigue behaviour of others ductile Al-alloys where the microstructure may be different. In such cases, a new LCF-test should be necessary to obtain the appropriate cyclic stress-strain responses.

Název v anglickém jazyce

Low cycle fatigue behaviour of ductile aluminium alloys using the inelastic energy approach

Popis výsledku anglicky

This study presents the experimental and computational investigation of the low cycle fatigue behaviour of the ductile aluminium alloy AA 5083-H111 using the inelastic energy approach. The proposed computational model consists of a damage initiation and damage evolution period considering a complete history of the cyclic stressstrain response previously determined using LCF-tests. In computational modelling, the nonlinear isotropic/kinematic hardening is considered using the Chaboche constitutive equations, while the direct cyclic algorithm implemented in the Abaqus/Standard software is used to obtain the stabilised response of a specimen subjected to the cyclic loading. In order to examine the damage evolution paths, finite elements with severe damage arendetected, and then removed from the finite element model in the subsequent numerical simulations. The proposed material model was validated by the comparison of the computationally and experimentally determined history of hysteresis loops and complete damage behaviour considering both damage initiation and the damage evolution period. Although the proposed approach has been validated for the aluminium alloy AA 5083-H111 with the characterised microstructure, it may also be used to simulate the fatigue behaviour of others ductile Al-alloys where the microstructure may be different. In such cases, a new LCF-test should be necessary to obtain the appropriate cyclic stress-strain responses.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/EF15_003%2F0000493" target="_blank" >EF15_003/0000493: Centrum pro výzkum nelineárního dynamického chování pokročilých materiálů ve strojírenství (CeNDYNMAT)</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2021

Kód důvěrnosti údajů

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

Název periodika

Materials Science and Engineering A Structural Materials Properties Microstructure and Processing

ISSN

0921-5093

e-ISSN

1873-4936

Svazek periodika

800

Číslo periodika v rámci svazku

January

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

140385

Kód UT WoS článku

000593911200001

EID výsledku v databázi Scopus

2-s2.0-85092720890