Metallurgical and mechanical analysis from thixoforging steel shapeReport as inadecuate

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1 LCFC - Laboratoire de Conception Fabrication Commande 2 PIMM - Procédés et Ingénierie en Mécanique et Matériaux Paris 3 Université de Liège 4 ASCOMETAL - ASCOMETAL CREAS

Abstract : Since always, Industry minimizes manufacturing process plan and increases mechanical behaviour. In this topic, the thixoforging process offers important perspectives especially steel thixoforging. It is on the way of industrial development between casting and forging process. Previous works have illustrated the importance many parameters such as steel grade, slide speed, slug and tool temperature on the This paper completes the previous results. It presents an analysis from mechanical resistance of samples extracted of from thixo-extrusion parts on a high speed hydraulic press. This strength investigation is correlated with metallurgical analysis. Macrograph analyses allow identifying the material yield during the process and the different phases.

Keywords : mechanical behaviour macrostructure microstructure steel thixoforging semi-solid

Author: Eric Becker - Régis Bigot - Laurent Langlois - Véronique Favier - Jean-Christophe Pierret - Pierre Cezard -



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