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Thixoforming of Steel: New Tools Conception to Analyse Thermal Exchanges and Strain Rate Effects
Cezard, Pierre; Bigot, Regis; Becker, Eric et al.
2007In AIP Conference Proceeding - 10th ESAFORM Conference on Material Forming
Peer reviewed
 

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Keywords :
Thixoforming of steel; Thermal effects; Strain rate; Tools conception; Semi-solid flow
Abstract :
[en] Through different papers, 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 exchanges hide other parameters effect like, for example, the strain rate influence. This paper tries to determine the influence of these two parameters by using a new extrusion device on a hydraulic press. This new tools conception annihilated the influence of the decrease of the punch speed before stopping and permitted to have a constant speed during the experiment. This work also deals with the homogeneous flow during thixoforming of steel and shows the importance to couple initial temperature of the slug with punch speed. This paper presents different conditions which permitted to have a homogeneous flow by keeping a low load.
Disciplines :
Materials science & engineering
Author, co-author :
Cezard, Pierre
Bigot, Regis
Becker, Eric
Mathieu, Stephane
Pierret, Jean-Christophe ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Rassili, Ahmed ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Language :
English
Title :
Thixoforming of Steel: New Tools Conception to Analyse Thermal Exchanges and Strain Rate Effects
Publication date :
07 April 2007
Event name :
10th ESAFORM Conference on Material Forming
Event organizer :
University of Zaragoza, Aragon Institute of Engineering Research
Event place :
Zaragoza, Spain
Event date :
18-20 avril 2007
Audience :
International
Main work title :
AIP Conference Proceeding - 10th ESAFORM Conference on Material Forming
Publisher :
American Institut of Physics, United States
ISBN/EAN :
978-0-7354-0414-4
Collection name :
AIP Conf. Proc. 907
Pages :
1155-1160
Peer reviewed :
Peer reviewed
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