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Developement of magnetic pulse welding process for welding dissimilar materials and joining polymeric composites to metals

Abstract : Reducing CO2 emissions and improving performance are still the main goals of the automotive industry. To achieve these objectives, automotive suppliers are still seeking to lighten the structures through the use of heterogeneous materials that have evolved in recent decades. We find today in one vehicle mild steels, very high strength steels, light alloys such as aluminum and magnesium alloys as well as fiber reinforces polymeric composites. The presence of dissimilar materials arises several challenges regarding both the heteregeneous metal assemblies and hybrid metal / composites assemblies. The differences in the mechanical, thermal and chemical properties of the various materials limit the use of traditional assembly techniques, i.e. mechanical assembly, fusion welding and adhesive bonding, and thus the development of new assembly solutions is required. In this context, this study aims to meet the challenges of heterogeneous metal welding and aims to develop two new original hybrid metal / composite assembly solutions using the magnetic pulse welding process.
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Chady Khalil. Developement of magnetic pulse welding process for welding dissimilar materials and joining polymeric composites to metals. Mechanics of materials [physics.class-ph]. École centrale de Nantes, 2018. English. ⟨NNT : 2018ECDN0031⟩. ⟨tel-02888649⟩

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