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Title: Modelling of the microscopic strain heterogeneity during cold rolling of steel sheets. Prediction of the deformation texture
Authors: Delannay, Laurent ×
Van Houtte, Paul
Samajdar, I #
Issue Date: Sep-1999
Publisher: E d p sciences
Series Title: Journal de physique iv vol:9 issue:P9 pages:43-52
Abstract: Two drawing steels were cold rolled to 70% reduction. Their hot rolling and cold rolling textures were measured by X-ray diffraction and converted into ODFs. The cold rolling ODFs are qualitatively and quantitatively compared to the predictions of four polycrystal deformation models. It turns out that the Lamel model, which has recently been developed, provides predictions that are much closer to reality, than the other models (i.e. the classical Taylor "full constraints" and "pancake" models and the more complex generalised relaxed constraints model with a self-consistent scheme). Looking more deeply into the results of the simulations, systematic correlations can be observed between the grins' crystal orientations and their relaxations. These observations are common to all four models. It is finally discussed how the Lamel model can be extended for the prediction of grain subdivisions in fee metals. The latter developments of the model are part of ongoing research.
URI: 
ISSN: 1155-4339
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Metallurgy Section (-)
× corresponding author
# (joint) last author

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