Deformation behavior and microstructure evolution of steel during the entire thixoforging process for improving the process controlling

GU, Guochao; PESCI, Raphaël; BECKER, Eric; LANGLOIS, Laurent; BIGOT, Regis

Conférence invitée

Auteur

GU, Guochao

PESCI, Raphaël
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]

BECKER, Eric

LANGLOIS, Laurent
107452 Laboratoire de Conception Fabrication Commande [LCFC]

BIGOT, Regis
107452 Laboratoire de Conception Fabrication Commande [LCFC]

URI

http://hdl.handle.net/10985/11021

Date

2015

Résumé

After analazing,the microstructure of the thixoforged parts, some mechanisms of material flow are proposed.

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In Situ Microstructure Observation Of Steel Grades In The Semi-Solid State For Thixoforging Process By Using Confoncal Laser Scanning Microscopy

Article dans une revue avec comité de lecture

GU, Guochao; PESCI, Raphaël; BECKER, Eric; LANGLOIS, Laurent; BIGOT, Regis (Trans Tech Publications Ltd, 2015)

The microstructure plays a crucial role for steel semi-solid forming process, and particularly for the steel thixoforging process, since it determines the thixotropic flow behavior of materials in the semi-solid state. ...
Microstructure investigation and flow behavior during thixoextrusion of M2 steel grade

Article dans une revue avec comité de lecture

GU, Guochao; PESCI, Raphaël; LANGLOIS, Laurent; BECKER, Eric; BIGOT, Regis (Elsevier, 2015)

The microstructure investigation and flow behavior during thixoforging of M2 steel parts were investigated. Partial remelting was performed at processing temperatures ranging from 1290 ◦C to 1340 ◦C corresponding to a ...
Microstructure observation and quantification of the liquid fraction of M2 steel grade in the semi-solid state, combining confocallaser scanning microscopy and X-ray microtomography

Article dans une revue avec comité de lecture

GU, Guochao; PESCI, Raphaël; LANGLOIS, Laurent; BECKER, Eric; BIGOT, Regis; GUO, M.X. (Elsevier, 2014)

Microstructure is of crucial importance to the flow behavior of semi-solid slurries during the thixoforging process. Therefore, a thorough understanding of the microstructure evolution is required. In order to achieve this, ...
Determination of quantity and localization of liquid in the semi-solid state using both 3D X-ray microtomography and 2D techniques for steel thixoforming

Article dans une revue avec comité de lecture

GU, Guochao; BECKER, Eric; PESCI, Raphaël; LANGLOIS, Laurent (Trans Tech Publications Ltd, 2013)

The distribution of liquid at the semi solid state is one of the most important parameters for steel thixoforging. It has a great influence on the viscosity of the material, on the flows and finally on the final shape and ...
Determination of quantity and localization of liquid in the semi-solid state using both 3D X-ray microtomography and 2D techniques for steel thixoforming

Communication avec acte

GU, Guochao; BECKER, Eric; PESCI, Raphaël; LANGLOIS, Laurent (Trans Tech Publications, 2012)

The distribution of liquid at the semi solid state is one of the most important parameters for steel thixoforging. It has a great influence on the viscosity of the material, on the flows and finally on the final shape and ...