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Comparison of the strain distribution obtained from multi scale and conventional approaches to modelling extrusion

Madej, Lukasz, Hodgson, Peter and Pietrzyk, Maciej 2007, Comparison of the strain distribution obtained from multi scale and conventional approaches to modelling extrusion, Solid state phenomena, vol. 129, pp. 25-30.

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

Title Comparison of the strain distribution obtained from multi scale and conventional approaches to modelling extrusion
Author(s) Madej, Lukasz
Hodgson, Peter
Pietrzyk, Maciej
Journal name Solid state phenomena
Volume number 129
Start page 25
End page 30
Publisher Trans Tech Publications
Place of publication Uetikon-Zuerich, Switzerland
Publication date 2007-11-15
ISSN 1012-0394
Keyword(s) multi scale modelling
cellular automata
finite element method
strain localization
extrusion process
Summary An investigation of the application of a multi scale CAFE model to prediction of the strain localization phenomena in industrial processes, such as extrusion, is presented in this work. Extrusion involves the formation of a strong strain localization zone, which influences the final product microstructure and may lead to a coarse grain layer close to the surface. Modelling of the shape of this zone and prediction of the strain magnitude will allow computer aided design of the extrusion process and optimisation of the technological parameters with respect to the microstructure and properties of the products. Thus, the particular objective of this work is comparison of the FE and CAFE predictions of strain localization in the shear zone area in extrusion. Advantages and disadvantages of the developed CAFE model are also discussed on the basis of the simulation results.
Language eng
Field of Research 091499 Resources Engineering and Extractive Metallurgy not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2007, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007820
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