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  4. Coupling the thermal and mechanical fields to metallurgical evolutions within a finite element description of a forming process
 
research article

Coupling the thermal and mechanical fields to metallurgical evolutions within a finite element description of a forming process

Logé, R.E.  
•
Chastel, Y.B.
2006
Computer Methods in Applied Mechanics and Engineering

Finite element formulations are commonly used to predict stress, strain and temperature fields in metal forming. As these models have now gained robustness, an increasing attention is placed on the metallurgical evolutions associated with the thermal and mechanical fields. A finite element can be associated to a microstructure, and the microstructure description allows the modeling of a constitutive behavior, using conventional homogenization theories. These theories can be further refined with the help of finite element calculations describing the material structure at multiple scales. The paper concentrates on numerical strategies than can be developed to couple finite element formulations to metallurgical models of two kinds: those predicting crystallographic textures and mechanical anisotropy, and those dealing with phase changes controlled by diffusion. Multiscale finite element models describing key features of metallic structures are also discussed, within a digital material framework. © 2005 Elsevier B.V. All rights reserved.

  • Details
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Type
research article
DOI
10.1016/j.cma.2004.11.034
Author(s)
Logé, R.E.  
Chastel, Y.B.
Date Issued

2006

Published in
Computer Methods in Applied Mechanics and Engineering
Volume

195

Start page

6843

End page

6857

Subjects

Anisotropy

•

Conventional homogenization theories

•

Crystallography

•

Diffusion

•

Digital material

•

Digital material framework

•

Finite element method

•

Forming

•

Large deformation

•

Metal forming

•

Metallographic microstructure

•

Metallurgy

•

Microstructure

•

Multiscale

•

Phase change

•

Remeshing

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LMTM  
Available on Infoscience
November 14, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/108799
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