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Investigations experimentales et numeriques pour l'identification des parametres clefs du procede de thixoforgeage de l'acier sur le produit mis en forme

Abstract : Industry is permanently looking for minimizing production time and cost, simplifying their manufacturing process while maximizing the quality of their products. This is applied by the metal forming industry. In this context, an innovative forming process, the thixoforging, is developed, making it possible to manufacture complex parts with elevated mechanical properties. Moreover the thixoforging permit to minimize the number of phases of the manufacturing process.This process uses the semi-solid state properties of metal alloys, this state being obtained by partial fusion of the solid. For steel thixoforging, the difficulties related to the work temperature and the lack of knowledge of the mechanical and thermomechanical behavior of the material. These make the industrial process development difficult. This thesis contributes to improve comprehension of the steel behaviour during thixoforging. The objective is also to develop the exploitation of the original multi-scale model
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https://pastel.archives-ouvertes.fr/pastel-00004477
Contributor : Ecole Arts Et Métiers Paristech <>
Submitted on : Tuesday, June 23, 2009 - 8:00:00 AM
Last modification on : Tuesday, October 20, 2020 - 10:21:04 AM
Long-term archiving on: : Sunday, November 27, 2016 - 2:31:50 AM

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  • HAL Id : pastel-00004477, version 1

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Eric Becker. Investigations experimentales et numeriques pour l'identification des parametres clefs du procede de thixoforgeage de l'acier sur le produit mis en forme. Sciences de l'ingénieur [physics]. Arts et Métiers ParisTech, 2008. Français. ⟨NNT : 2008ENAM0038⟩. ⟨pastel-00004477⟩

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