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Recrystallization and texture evolution during hot rolling of copper, studied by a multiscale model combining crystal plasticity and vertex models

Mellbin, Y. LU ; Hallberg, H. LU and Ristinmaa, M. LU (2016) In Modelling and Simulation in Materials Science and Engineering 24(7).
Abstract

A multiscale modeling framework, combining a graph-based vertex model of microstructure evolution with a GPU-parallelized crystal plasticity model, was recently proposed by the authors. Considering hot rolling of copper, the full capabilities of the model are demonstrated in the present work. The polycrystal plasticity model captures the plastic response and the texture evolution during materials processing while the vertex model provides central features of grain structure evolution through dynamic recrystallization, such as nucleation and growth of individual crystals. The multiscale model makes it possible to obtain information regarding grain size and texture development throughout the workpiece, capturing the effects of... (More)

A multiscale modeling framework, combining a graph-based vertex model of microstructure evolution with a GPU-parallelized crystal plasticity model, was recently proposed by the authors. Considering hot rolling of copper, the full capabilities of the model are demonstrated in the present work. The polycrystal plasticity model captures the plastic response and the texture evolution during materials processing while the vertex model provides central features of grain structure evolution through dynamic recrystallization, such as nucleation and growth of individual crystals. The multiscale model makes it possible to obtain information regarding grain size and texture development throughout the workpiece, capturing the effects of recrystallization and heterogeneous microstructure evolution. Recognizing that recrystallization is a highly temperature dependent phenomenon, simulations are performed at different process temperatures. The results show that the proposed modeling framework is capable of simultaneously capturing central aspects of material behavior at both the meso- and macrolevel. Detailed investigation of the evolution of texture, grain size distribution and plastic deformation during the different processing conditions are performed, using the proposed model. The results show a strong texture development, but almost no recrystallization, for the lower of the investigated temperatures, while at higher temperatures an increased recrystallization is shown to weaken the development of a typical rolling texture. The simulations also show the influence of the shear deformation close to the rolling surface on both texture development and recrystallization.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
crystal plasticity, dynamic recrystallization, hot rolling, texture, vertex model
in
Modelling and Simulation in Materials Science and Engineering
volume
24
issue
7
publisher
IOP Publishing
external identifiers
  • scopus:84991746865
  • wos:000384206400004
ISSN
0965-0393
DOI
10.1088/0965-0393/24/7/075004
language
English
LU publication?
yes
id
0a008108-1c50-489b-828b-d0ca05a933ef
date added to LUP
2016-11-17 08:18:59
date last changed
2017-10-08 04:54:44
@article{0a008108-1c50-489b-828b-d0ca05a933ef,
  abstract     = {<p>A multiscale modeling framework, combining a graph-based vertex model of microstructure evolution with a GPU-parallelized crystal plasticity model, was recently proposed by the authors. Considering hot rolling of copper, the full capabilities of the model are demonstrated in the present work. The polycrystal plasticity model captures the plastic response and the texture evolution during materials processing while the vertex model provides central features of grain structure evolution through dynamic recrystallization, such as nucleation and growth of individual crystals. The multiscale model makes it possible to obtain information regarding grain size and texture development throughout the workpiece, capturing the effects of recrystallization and heterogeneous microstructure evolution. Recognizing that recrystallization is a highly temperature dependent phenomenon, simulations are performed at different process temperatures. The results show that the proposed modeling framework is capable of simultaneously capturing central aspects of material behavior at both the meso- and macrolevel. Detailed investigation of the evolution of texture, grain size distribution and plastic deformation during the different processing conditions are performed, using the proposed model. The results show a strong texture development, but almost no recrystallization, for the lower of the investigated temperatures, while at higher temperatures an increased recrystallization is shown to weaken the development of a typical rolling texture. The simulations also show the influence of the shear deformation close to the rolling surface on both texture development and recrystallization.</p>},
  articleno    = {075004},
  author       = {Mellbin, Y. and Hallberg, H. and Ristinmaa, M.},
  issn         = {0965-0393},
  keyword      = {crystal plasticity,dynamic recrystallization,hot rolling,texture,vertex model},
  language     = {eng},
  month        = {09},
  number       = {7},
  publisher    = {IOP Publishing},
  series       = {Modelling and Simulation in Materials Science and Engineering},
  title        = {Recrystallization and texture evolution during hot rolling of copper, studied by a multiscale model combining crystal plasticity and vertex models},
  url          = {http://dx.doi.org/10.1088/0965-0393/24/7/075004},
  volume       = {24},
  year         = {2016},
}