The reduction of stress concentrations in adhesive joints with the use of curved aluminum adherends
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in: Mechanics of advanced materials and structures, Jahrgang ??? Stand: 15. Oktober 2024, Nr. ??? Stand: 15. Oktober 2024, 12.01.2024.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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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 - ??? Stand: 15. Oktober 2024
JO - Mechanics of advanced materials and structures
JF - Mechanics of advanced materials and structures
SN - 1537-6494
IS - ??? Stand: 15. Oktober 2024
ER -
