Contribution to digital representation of materials subjected to thermomechanical processing

Madej, L., Gawad, J., Hodgson, P. D. and Pietrzyk, M. 2007, Contribution to digital representation of materials subjected to thermomechanical processing, in MS&T '07 : Proceedings of the Materials Science and Technology Conference and Exhibition : Exploring Styructure, Processing and Applications Across Multiple Materials Systems, Curran Associates, Red Hook, N.Y., pp. 1677-1688.

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Title Contribution to digital representation of materials subjected to thermomechanical processing
Author(s) Madej, L.
Gawad, J.
Hodgson, P. D.
Pietrzyk, M.
Conference name Materials Science and Technology. Conference and Exhibition (2007 : Detroit, Michigan)
Conference location Detroit, Michigan
Conference dates 16 - 20 Sep. 2007
Title of proceedings MS&T '07 : Proceedings of the Materials Science and Technology Conference and Exhibition : Exploring Styructure, Processing and Applications Across Multiple Materials Systems
Publication date 2007
Series Exploring Structure, Processing and Applications Across Multiple Materials Systems
Start page 1677
End page 1688
Total pages 12
Publisher Curran Associates
Place of publication Red Hook, N.Y.
Summary Development of software tools, which allow connection between phenomena occurring in materials in various length scales, is presented in the paper. Multiscale CAFE approach, which combines cellular automata (CA) and finite element (FE) methods, is selected for modeling. In this approach FE method describes material behavior in the macro scale, while CA method simulates micro and mezo scale phenomena. Capability of accounting for these phenomena, which are either stochastic or discontinuous or both, is the main advantage of the cellular automata. The objective of the present work is to improve qualitative and quantitative accuracy of the model. Two phenomena are considered. Micro shear band initiation and propagation is the first and recrystallization is the second. The main emphasis is put on improvement of the transition rules, which describe the state of the material at the grain level. Beyond this, the common features of both models are distinguished to develop better numerical tool, which will allow to combine CA with the FE simulations of real processes. Finally, results of the CAFE modeling of the polycrystalline microstructure deformation and recrystallization are presented.
ISBN 9781605601335
Language eng
Copyright notice ©2007, MS&T'07
Persistent URL http://hdl.handle.net/10536/DRO/DU:30098451

Document type: Conference Paper
Collection: Institute for Frontier Materials
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