Microstructure modeling and prediction of the mechanical properties of advanced high strength steels

Asgari,A, Rolfe,BF and Hodgson,PD 2014, Microstructure modeling and prediction of the mechanical properties of advanced high strength steels, International journal of computational methods, vol. 11, no. Supplement 1, pp. 1-11, doi: 10.1142/S021987621344009X.

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Title Microstructure modeling and prediction of the mechanical properties of advanced high strength steels
Author(s) Asgari,A
Rolfe,BFORCID iD for Rolfe,BF orcid.org/0000-0001-8516-6170
Hodgson,PD
Journal name International journal of computational methods
Volume number 11
Issue number Supplement 1
Start page 1
End page 11
Total pages 11
Publisher World Scientific Publishing
Place of publication Singapore
Publication date 2014-11
ISSN 0219-8762
1793-6969
Keyword(s) 2D
3D
Microstructure
Multiscale modeling
RVE
Science & Technology
Technology
Physical Sciences
Engineering, Multidisciplinary
Mathematics, Interdisciplinary Applications
Engineering
Mathematics
ASSISTED MULTIPHASE STEELS
MONTE-CARLO-SIMULATION
GRAIN-GROWTH
Summary Dual phase (DP) steels were modeled using 2D and 3D representative volume elements (RVE). Both the 2D and 3D models were generated using the Monte-Carlo-Potts method to represent the realistic microstructural details. In the 2D model, a balance between computational efficiency and required accuracy in truly representing heterogeneous microstructure was achieved. In the 3D model, a stochastic template was used to generate a model with high spatial fidelity. The 2D model proved to be efficient for characterization of the mechanical properties of a DP steel where the effect of phase distribution, morphology and strain partitioning was studied. In contrast, the current 3D modeling technique was inefficient and impractical due to significant time cost. It is shown that the newly proposed 2D model generation technique is versatile and sufficiently accurate to capture mechanical properties of steels with heterogeneous microstructure.
Language eng
DOI 10.1142/S021987621344009X
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, World Scientific Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071736

Document type: Journal Article
Collections: School of Engineering
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