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A continuous fluid/solid transition model for semi-solid material modeling. Application to thixoforging.
Ponthot, Jean-Philippe; Koeune, Roxane; Boman, Romain
2013In 33° SENAFOR (CD)
 

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Keywords :
ALE; Thixoforging; Semi-Solid Material Processing; Arbitrary Lagrangian Eulerian formulation; Finite Element Method (FEM)
Abstract :
[en] This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary extrusion test and a double-cup extrusion test. The simulations are based on a thermo-mechanical one-phase constitutive law that has been presented in details in several previous papers. A campaign of experimental extrusion testing has been conducted on a steel alloy and the comparison between the numerical and experimental results will validate the model under study. A new feature that has been added to the model is also discussed: the introduction of the phase change thermal effects such as the fusion latent heat and the contraction of the material
Disciplines :
Mechanical engineering
Author, co-author :
Ponthot, Jean-Philippe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Koeune, Roxane
Boman, Romain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Language :
English
Title :
A continuous fluid/solid transition model for semi-solid material modeling. Application to thixoforging.
Publication date :
2013
Event name :
33° SENAFOR - 17th International Forging Conference
Event organizer :
Lirio SCHAEFFER
Event place :
Porto Alegre, Brazil
Event date :
9-11 October 2013
By request :
Yes
Audience :
International
Main work title :
33° SENAFOR (CD)
Pages :
Paper PA08
Available on ORBi :
since 13 November 2013

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