Microstructural modeling of dynamic recrystallization using irregular cellular automata

Yazdipour, N., Davies, C.H.J. and Hodgson, P.D. 2008, Microstructural modeling of dynamic recrystallization using irregular cellular automata, Computational materials science, vol. 44, no. 2, pp. 566-576, doi: 10.1016/j.commatsci.2008.04.027.

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Title Microstructural modeling of dynamic recrystallization using irregular cellular automata
Author(s) Yazdipour, N.
Davies, C.H.J.
Hodgson, P.D.
Journal name Computational materials science
Volume number 44
Issue number 2
Start page 566
End page 576
Total pages 11
Publisher Elsevier BV
Place of publication Amsterdam, Netherlands
Publication date 2008-12
ISSN 0927-0256
Keyword(s) dynamic recrystallization
microstructural modeling
thermomechanical parameters
dislocation density
irregular cellular automata
Summary Cellular automaton (CA) was used to simulate dynamic recrystallization (DRX) during thermomechanical deformation. Initial grain size, initial grain orientation and dislocation density were used as input data to the CA model. Flow curve, dislocation density, final grain size and orientation, and DRX volume fraction were the output data which were compared with experimental data to validate the model. The model proposed in this work considered the thermomechanical parameters (e.g., temperature and strain rate) and their role on the nucleation and growth kinetics during DRX. It was shown that the CA model can predict the final microstructure and flow curve to a high degree of accuracy and was able to successfully simulate the volume fraction of DRX as a function of strain for a wide range of deformation conditions.
Language eng
DOI 10.1016/j.commatsci.2008.04.027
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017626

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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