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Procédé d'assemblage de l'alumine avec l'alliage Titane-Zirconium-Molybdène : mode d'élaboration caractérisation et modélisation numérique de la jonction

Abstract : This thesis aims to examine the feasibility to join massive ceramic and metal parts by the use of the experience acquired in the laboratory on the preoxidation process of the metal substrate, which has been successful in the case of plasma coatings on steels and nickel. We will find the bibliographic positioning of this study, then the reasons that led to interest in the assembly TZM / alumina and to choose the process of thermocompression. Then, the elaboration method is presented, and followed by a whole part devoted to the physicochemical characterization of the assemblies obtained, giving a particular place to the numerical simulation of the constraints, for those remaining in the assembly after its elaboration, and those appearing within when subjected to tensile stresses. Finally, it seemed interesting to append to the appendix the essential elements of a numerical study of the C35 / alumina steel assembly, which served to qualify the simulation method used in this work and which demonstrates the power of this method.
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Réda Berkouch. Procédé d'assemblage de l'alumine avec l'alliage Titane-Zirconium-Molybdène : mode d'élaboration caractérisation et modélisation numérique de la jonction. Matériaux. Université de Limoges, 2019. Français. ⟨NNT : 2019LIMO0115⟩. ⟨tel-02506433⟩

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