Experimental investigation of the thixoforging of tubes of low-carbon steel
TypeArticles dans des revues avec comité de lecture
This article presents the outcomes of using thixo-extrusion (backward and forward) to produce tubes in low-carbon steel, grade SAE1006 (C05). According to the literature data, the semisolid state of this steel, required for thixoforging, is very difficult to obtain and has never been studied for this type of shaping. The experimental tests involve using an inductive heating and a flashless forging process. This work shows the route and possibility to obtain a usable semisolid by inductive heating for thixoforging of this steel grade. It shows by simulation the validation steps before the shaping and the forming constraints. A geometrical analysis of the parts revealed the good dimensional performance of thixoforging processes with high repeatability and a good microstructure. Such thixoforged tubes extend the dimensional limits of the tube wall thickness, as compared to the case of conventional forging in one step and in the framework of a typical industrial installation. These results could be integrated into a knowledge management system of thixoforging to identify new possibility of components.
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BECKER, Eric; BIGOT, Régis; FAVEROLLE, Pierre (Elsevier, 2017)For nearly two decades, researchers from academia and industry are working on the development of steel alloys thixoforging, which are not the easiest to form with this process. The early fundamental technology research ...
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 ...
ALLAM, Zakaria; BECKER, Eric; BAUDOUIN, Cyrille; BIGOT, Régis; KRUMPIPE, Pierre (Trans Tech Publications, 2013)One of the common problems in forging processes is the lack of key process parameters control, as well as their identification. Certain controlled parameters exist, such as temperature or stroke length, which are usually ...
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; 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 ...