The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends

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The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends. / Castro Pires, Vasco Daniel; Ribeiro, Francisco C. C.; Carbas, Ricardo et al.
In: Mechanics of advanced materials and structures, Vol. 31.2024, No. 28, 12.01.2024.

Research output: Contribution to journalArticleResearchpeer-review

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Castro Pires VD, Ribeiro FCC, Carbas R, Marques EAS, Silva LFMD. The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends. Mechanics of advanced materials and structures. 2024 Jan 12;31.2024(28). doi: 10.1080/15376494.2023.2299936

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@article{ce50d44f9dfb434394ba66590f4fc3df,
title = "The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends",
abstract = "The study proposes a novel concept of a curved single lap joint (SLJ) with non- uniform adhesivethickness to reduce stress concentrations near overlap edges. Experimental and numerical meth-odologies investigate this joint using two adhesives: Araldite 2015-1 and AV138. Numerical modelsin ABAQUS predict cohesive failure in the adhesive layer. The curved configuration doesn{\textquoteright}t signifi-cantly enhance strength in SLJ using ductile adhesives, but for brittle ones, strength increased by131% due to sensitivity to peak stresses. In conclusion, the curved SLJ effectively reduces stressconcentrations and the effectiveness of this concept is linked to the ductility of the adhesive used.",
keywords = "Bonded joint, curved single lap joint, finite element analysis, reduction of stress concentrations, strength prediction, structural adhesive",
author = "{Castro Pires}, {Vasco Daniel} and Ribeiro, {Francisco C. C.} and Ricardo Carbas and Marques, {Eduardo A. S.} and Silva, {Lucas F. M. da}",
note = "Publisher Copyright: {\textcopyright} 2024 Taylor & Francis Group, LLC.",
year = "2024",
month = jan,
day = "12",
doi = "10.1080/15376494.2023.2299936",
language = "English",
volume = "31.2024",
journal = "Mechanics of advanced materials and structures",
issn = "1537-6494",
number = "28",

}

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TY - JOUR

T1 - The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends

AU - Castro Pires, Vasco Daniel

AU - Ribeiro, Francisco C. C.

AU - Carbas, Ricardo

AU - Marques, Eduardo A. S.

AU - Silva, Lucas F. M. da

N1 - Publisher Copyright: © 2024 Taylor & Francis Group, LLC.

PY - 2024/1/12

Y1 - 2024/1/12

N2 - The study proposes a novel concept of a curved single lap joint (SLJ) with non- uniform adhesivethickness to reduce stress concentrations near overlap edges. Experimental and numerical meth-odologies investigate this joint using two adhesives: Araldite 2015-1 and AV138. Numerical modelsin ABAQUS predict cohesive failure in the adhesive layer. The curved configuration doesn’t signifi-cantly enhance strength in SLJ using ductile adhesives, but for brittle ones, strength increased by131% due to sensitivity to peak stresses. In conclusion, the curved SLJ effectively reduces stressconcentrations and the effectiveness of this concept is linked to the ductility of the adhesive used.

AB - The study proposes a novel concept of a curved single lap joint (SLJ) with non- uniform adhesivethickness to reduce stress concentrations near overlap edges. Experimental and numerical meth-odologies investigate this joint using two adhesives: Araldite 2015-1 and AV138. Numerical modelsin ABAQUS predict cohesive failure in the adhesive layer. The curved configuration doesn’t signifi-cantly enhance strength in SLJ using ductile adhesives, but for brittle ones, strength increased by131% due to sensitivity to peak stresses. In conclusion, the curved SLJ effectively reduces stressconcentrations and the effectiveness of this concept is linked to the ductility of the adhesive used.

KW - Bonded joint

KW - curved single lap joint

KW - finite element analysis

KW - reduction of stress concentrations

KW - strength prediction

KW - structural adhesive

UR - http://dx.doi.org/10.1080/15376494.2023.2299936

UR - http://www.scopus.com/inward/record.url?scp=85182498486&partnerID=8YFLogxK

U2 - 10.1080/15376494.2023.2299936

DO - 10.1080/15376494.2023.2299936

M3 - Article

VL - 31.2024

JO - Mechanics of advanced materials and structures

JF - Mechanics of advanced materials and structures

SN - 1537-6494

IS - 28

ER -