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Modèle d'endommagement des assemblages collés : identification et application à la description d'un essai de vieillissement accéléré

Abstract : Among the three chapters of this thesis report, the first one is devoted to a literature review on the durability of bonded assemblies. The main damage models and optimization methods for identifying model parameters are described. The second chapter presents the predictive theory used in this thesis, and propose a parametric study in order to understand the physical meaning of the model parameters. The last chapter aims to compare theoretical simulations with experimental data. An inverse approach is first implemented to identify the theoretical parameters in the case of bonded assemblies submitted to tensile or shear loadings. Thes same approach is then used to describe the creep behaviour of assemblies exposed to accelerated aging. Values of the parameters corresponding to initial or aged states are examined and interpreted in light of the microstructural evolutions of the adhesive joint.
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https://pastel.archives-ouvertes.fr/pastel-00005199
Contributor : Ecole Des Ponts Paristech <>
Submitted on : Friday, June 12, 2009 - 8:00:00 AM
Last modification on : Friday, October 23, 2020 - 4:38:25 PM
Long-term archiving on: : Friday, September 10, 2010 - 1:31:09 PM

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Thi-Hoa-Tam Nguyen. Modèle d'endommagement des assemblages collés : identification et application à la description d'un essai de vieillissement accéléré. Engineering Sciences [physics]. Ecole des Ponts ParisTech, 2008. English. ⟨pastel-00005199⟩

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