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Identification of mechanical properties of CuSil-steel brazed structures joints: a numerical approach

Identifieur interne : 000467 ( Main/Exploration ); précédent : 000466; suivant : 000468

Identification of mechanical properties of CuSil-steel brazed structures joints: a numerical approach

Auteurs : A. Nafi [Maroc] ; M. Cheikh [France] ; O. Mercier [France]

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Mots-clés :

Abstract

In this paper, the inverse method is used to identify the mechanical characteristics of a brazed joint. This technique is based upon tensile tests and/or shearing test combined with the results of a calculation using finite elements method. This paper shows that calculation of a brazed assembly under an elastic behavior assumption is flawed. A correct study of a brazed assembly must be done under an elastoplastic assumption. The presented method will be used for calculation of molds manufactured by stratoconception (sheet metal assembling).


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Le document en format XML

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<term>Finite element method</term>
<term>Layer manufacturing</term>
<term>Mechanical properties</term>
<term>Modeling</term>
<term>Numerical simulation</term>
<term>Optimization</term>
<term>Permanent metal mould</term>
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<term>Silver alloy</term>
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<term>Résistance cisaillement</term>
<term>Assemblage brasé</term>
<term>Méthode élément fini</term>
<term>Propriété élastique</term>
<term>Optimisation</term>
<term>Acier</term>
<term>Cuivre alliage</term>
<term>Argent alliage</term>
<term>Elastoplasticité</term>
<term>Simulation numérique</term>
<term>Moule métallique</term>
<term>Stratofabrication</term>
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<div type="abstract" xml:lang="en">In this paper, the inverse method is used to identify the mechanical characteristics of a brazed joint. This technique is based upon tensile tests and/or shearing test combined with the results of a calculation using finite elements method. This paper shows that calculation of a brazed assembly under an elastic behavior assumption is flawed. A correct study of a brazed assembly must be done under an elastoplastic assumption. The presented method will be used for calculation of molds manufactured by stratoconception (sheet metal assembling).</div>
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