Metallurgical and mechanical analysis from thixoforging steel shape
TypeArticles dans des revues avec comité de lecture
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.
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Steel Thixoforging: Heat Exchange Impact on the Mechanical and Metallurgical Features of Thixoforged Samples BECKER, Eric; CEZARD, Pierre; BIGOT, Régis; LANGLOIS, Laurent; FAVIER, Véronique; PIERRET, Jean-Christophe (Trans Tech Publications, 2008)Steel thixoforging process combines the advantages of performing parts having highly complex shapes and good mechanical properties. These advantages result from the shear thinning flow behaviour of semi-solids due to ...
BECKER, Eric; BIGOT, Régis; LANGLOIS, Laurent; FAVIER, Véronique; PIERRET, Jean-Christophe; CEZARD, Pierre (2008)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 ...
CEZARD, Pierre; BIGOT, Régis; BECKER, Eric; MATHIEU, Stéphane; PIERRET, Jean-Christophe; RASSILI, Ahmed (E. Cueto and F. Chinesta, 2007)Through different papers [1,2], authors shown that the influence of thermal exchanges was a first order parameter on the semi-solid steel behaviour, and certainly for every semi-solid metallic materials. These thermal ...
Impact of experimental conditions on material response during forming of steel in semi-solid state BECKER, Eric; FAVIER, Véronique; BIGOT, Régis; CEZARD, Pierre; LANGLOIS, Laurent (Elsevier, 2010)Semi-solid forming is an effective near-net-shape forming process to produce components with complex geometry and in fewer forming steps. It benefits from the complex thixotropic behaviour of semi-solids. However, the ...
BECKER, Eric; CEZARD, Pierre; MATHIEU, Stéphane; BIGOT, Régis; LANGLOIS, Laurent (Association Française de Mécanique, 2007)Analyse l’influence de la vitesse du coulisseau et de la température du lopin (fraction liquide) sur le comportement de l’acier à l’état semi-solide en utilisant un nouvel outillage de filage direct monté sur une presse ...