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Contribution aux assemblages hybrides (boulonnés/collés) - Application aux jonctions aéronautiques

Abstract : A joint is called as a hybrid joint when it associates two different joining technologies. This study deals with the combination of bolting and bonding. The longitudinal joints of fuselage of civil aircraft in the single-lap configuration are looking as the application case of this study. Parametrical tools in the shape of computer codes are developed and provide the distribution of the load transfers in the adherends and the fasteners as well as the distribution of the adhesive stress, as a function of the mechanical and geometrical parameters of the joint. These tools are based on the development of 1D and 2D analytical models, which assume an isotropic elastic behaviour of materials, and which are grounded on the creation of new finite elements which are formulated in order to simulate both bonded adherends. A 3D numerical model (FEM) is developed in order to access to the local mechanical behaviours, and the use of which is interesting in the determination of the fasteners stiffnesses, used in the analytical approaches. The experimental measurement of bolt load transfers under low applied loads thanks to instrumented bolts validates and calibrates the analytical and numerical approaches, whereas the fatigue tests estimate the gains in fatigue life.
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Contributor : Eric Paroissien <>
Submitted on : Tuesday, September 11, 2007 - 3:43:22 PM
Last modification on : Monday, October 19, 2020 - 11:10:38 AM
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  • HAL Id : tel-00171103, version 1



Eric Paroissien. Contribution aux assemblages hybrides (boulonnés/collés) - Application aux jonctions aéronautiques. Mécanique []. Université Paul Sabatier - Toulouse III, 2006. Français. ⟨tel-00171103⟩



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