A Multiscale Model Based On Intragranular Microstructure: Influence Of Grain-Scale Substructure On Macroscopic Behaviour Of An IF-Steel During Complex Load Paths

A microstructural model, based on Peeters' works, is implemented into a large strain self-consistent scheme, leading to the multiscale model which achieves, for each grain, the calculation of slip activity, with help of regularized formulation drawn from the visco-plasticity framework, and the...

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Bibliographic Details
Main Authors: Franz, Gerald, Abed-Meraim, Farid, Zineb, Tarak Ben, Lemoine, Xavier, Berveiller, Marcel
Format: Conference Proceeding
Language:English
Subjects:
DISLOCATIONS
HARDENING
MATERIALS SCIENCE
MATHEMATICAL MODELS
MICROSTRUCTURE
NUMERICAL ANALYSIS
PLASTICITY
SLIP
STEELS
STRAINS
VISCOSITY
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Summary:A microstructural model, based on Peeters' works, is implemented into a large strain self-consistent scheme, leading to the multiscale model which achieves, for each grain, the calculation of slip activity, with help of regularized formulation drawn from the visco-plasticity framework, and the dislocation microstructure evolution. This paper focuses on the relationship between macroscopic hardening/softening effects and induced microstructure during monotonic and two-stage strain paths.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2740996