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Modelling load transfer in single-lap adhesively bonded and hybrid (bolted / bonded) joints

Paroissien, Eric and Lachaud, Frédéric and Schwartz, Sébastien Modelling load transfer in single-lap adhesively bonded and hybrid (bolted / bonded) joints. (2022) Progress in Aerospace Sciences, 130. 100811. ISSN 0376-0421

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Official URL: https://doi.org/10.1016/j.paerosci.2022.100811

Abstract

An aerospace structure is built from the assembly of structural sub-components involving joining technologies such as welding, mechanical fastening or adhesive bonding. The function of joints is to ensure load transfer between the structural sub-components. The integrity of the structure directly depends on strength of these joints. In order to design these critical structural areas, load transfer between structural sub-components must be assessed. The objective of this review paper is to present approaches for the simplified modelling and associated resolution schemes of single-lap adhesively bonded and hybrid (bolted/bonded) joints to predict load transfer. We show that the scope of available closed-form solutions is restricted, such that the use of semi-analytical schemes is suitable. Macro-element modelling is then presented. This technique allows the assessment of load transfer and associated stresses, especially in the adhesive layer regarded as a cohesive zone, while enabling the enrichment of the model, making it more representative of the physical reality.

Item Type:Article
HAL Id:hal-03690355
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:21 Feb 2022 17:16

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