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Journal Articles Progress in Aerospace Sciences Year : 2022

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

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.
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Dates and versions

hal-03690355 , version 1 (08-06-2022)

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Eric Paroissien, Frederic Lachaud, Sébastien Schwartz. Modelling load transfer in single-lap adhesively bonded and hybrid (bolted / bonded) joints. Progress in Aerospace Sciences, 2022, 130, pp.100811. ⟨10.1016/j.paerosci.2022.100811⟩. ⟨hal-03690355⟩
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