Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschung

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Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions. / Examilioti, Theano; Germanou, Athina; Papanikos, Paraskevas et al.
in: Procedia Structural Integrity, Jahrgang 42, 01.01.2022, S. 244-250.

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschung

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Examilioti T, Germanou A, Papanikos P, Kashaev N, Klusemann B, Alexopoulos ND. Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions. Procedia Structural Integrity. 2022 Jan 1;42:244-250. doi: 10.1016/j.prostr.2022.12.030

Bibtex

@article{0088ae1a9ed84d76b06a8ae2812b36d7,
title = "Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions",
abstract = "The present study aims to investigate the effect of weld geometry and geometrical shape imperfections on the mechanical behavior of welded joints under different post-weld heat treatment conditions. Finite element analyses were performed using the local mechanical properties of laser beam welded AA2198 joints obtained from micro-flat tensile test specimens. The finite element results show that, for the as-welded condition show that the maximum strain was observed in the lower region of the fusion zone, independently the geometrical imperfections. By applying post weld heat treatment, the maximum strain concentration can now be noticed in the upper region of the fusion zone for all the ageing times due to the lower local elongation at fracture values.",
keywords = "Al-Li alloy, laser beam-welding, local mechanical properties, finite element model, Engineering",
author = "Theano Examilioti and Athina Germanou and Paraskevas Papanikos and Nikolai Kashaev and B. Klusemann and Alexopoulos, {Nikolaos D.}",
note = "Publisher Copyright: {\textcopyright} 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the scientific committee of the 23 European Conference on Fracture - ECF23.; Conference - European Conference on Fracture 2022, EFC23 ; Conference date: 27-06-2022 Through 01-07-2022",
year = "2022",
month = jan,
day = "1",
doi = "10.1016/j.prostr.2022.12.030",
language = "English",
volume = "42",
pages = "244--250",
journal = "Procedia Structural Integrity",
issn = "2452-3216",
publisher = "Elsevier B.V.",
url = "https://www.ecf23.eu/",

}

RIS

TY - JOUR

T1 - Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions

AU - Examilioti, Theano

AU - Germanou, Athina

AU - Papanikos, Paraskevas

AU - Kashaev, Nikolai

AU - Klusemann, B.

AU - Alexopoulos, Nikolaos D.

N1 - Conference code: 23

PY - 2022/1/1

Y1 - 2022/1/1

N2 - The present study aims to investigate the effect of weld geometry and geometrical shape imperfections on the mechanical behavior of welded joints under different post-weld heat treatment conditions. Finite element analyses were performed using the local mechanical properties of laser beam welded AA2198 joints obtained from micro-flat tensile test specimens. The finite element results show that, for the as-welded condition show that the maximum strain was observed in the lower region of the fusion zone, independently the geometrical imperfections. By applying post weld heat treatment, the maximum strain concentration can now be noticed in the upper region of the fusion zone for all the ageing times due to the lower local elongation at fracture values.

AB - The present study aims to investigate the effect of weld geometry and geometrical shape imperfections on the mechanical behavior of welded joints under different post-weld heat treatment conditions. Finite element analyses were performed using the local mechanical properties of laser beam welded AA2198 joints obtained from micro-flat tensile test specimens. The finite element results show that, for the as-welded condition show that the maximum strain was observed in the lower region of the fusion zone, independently the geometrical imperfections. By applying post weld heat treatment, the maximum strain concentration can now be noticed in the upper region of the fusion zone for all the ageing times due to the lower local elongation at fracture values.

KW - Al-Li alloy

KW - laser beam-welding

KW - local mechanical properties

KW - finite element model

KW - Engineering

UR - https://www.mendeley.com/catalogue/86e6f6e3-8a79-3753-8be8-20666570da77/

UR - http://www.scopus.com/inward/record.url?scp=85158961499&partnerID=8YFLogxK

U2 - 10.1016/j.prostr.2022.12.030

DO - 10.1016/j.prostr.2022.12.030

M3 - Conference article in journal

VL - 42

SP - 244

EP - 250

JO - Procedia Structural Integrity

JF - Procedia Structural Integrity

SN - 2452-3216

T2 - Conference - European Conference on Fracture 2022

Y2 - 27 June 2022 through 1 July 2022

ER -

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