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  4. Implementation of a constitutive model for the mechanical behavior of TWIP steels and validation simulations
 
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2015
Journal Article
Title

Implementation of a constitutive model for the mechanical behavior of TWIP steels and validation simulations

Abstract
High manganese content TWinning Induced Plasticity (TWIP) steels are promising for the production of lightweight components due to their high strength combined with extreme ductility, see [1]. This paper deals with the implementation of a constitutive model for the macroscopic deformation behavior of TWIP steels under mechanical loading with the aim of simulating metal forming processes and representing the behavior of TWIP-steel components for example under crash loading - with the Finite Element code LS-DYNA® and refers to our recently published papers: [2],[4],[5]. Within the present paper we focus on the implementation of the model formulated in [2] and its extension to stress dependent twinning effects.
Author(s)
Erhart, A.
Haufe, A.
Butz, A.
Zapara, M.
Helm, D.
Journal
Key engineering materials  
Project(s)
TWIP 4EU
Funder
European Commission EC  
DOI
10.4028/www.scientific.net/KEM.651-653.539
Language
English
Fraunhofer-Institut für Werkstoffmechanik IWM  
Keyword(s)
  • constitutive model

  • Simulation

  • TWIP-Steel

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