Article (Scientific journals)
Simulation of thixoforming: comparison of different constitutive equations
Pierret, Jean-Christophe; Rassili, Ahmed; Cezard, Pierre
2006In Solid State Phenomena, 116-117, p. 618-621
Peer reviewed
 

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Keywords :
semi-solid; finite element; modelling; simulation; thixoforging; thixoforming
Abstract :
[en] The behaviour of the semi-solid material is complex to simulate and many approaches are proposed in the literature to represent it. In this work, different constitutive equations are studied: the classical Northon-Hoff law, Joly and Merhabian's one [1] and an innovative micromechanical model using homogenisation technique [2]. These constitutive equations have been implemented in the FE code Forge2 (R) to simulate simple forming tests, such as compression and direct extrusion. The load-displacement curves using the three constitutive equations are compared in order to estimate their capabilities.
Disciplines :
Materials science & engineering
Author, co-author :
Pierret, Jean-Christophe ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Rassili, Ahmed ;  Université de Liège - ULiège > Science des matériaux métalliques
Cezard, Pierre
Language :
English
Title :
Simulation of thixoforming: comparison of different constitutive equations
Publication date :
2006
Journal title :
Solid State Phenomena
ISSN :
1012-0394
eISSN :
1662-9779
Publisher :
Trans Tech Publications Ltd, Stafa-Zurich, Switzerland
Special issue title :
Semi-Solid Processing of Alloys and Composites
Volume :
116-117
Pages :
618-621
Peer reviewed :
Peer reviewed
Additional URL :
Available on ORBi :
since 07 December 2009

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