Crystal Plasticity Modeling of the Through-Thickness Texture Heterogeneity in Heavily Rolled Aluminum

Laurent Delannay; Oleg Mishin

doi:10.4028/www.scientific.net/KEM.554-557.1189

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Polycrystalline Model Predictions of Flow Stress and Textural Hardening during Monotonic Deformation
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Physically-Motivated Elasto-Visco-Plastic Model for the Large Strain-Rate Behavior of Steels
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On the Study of Distinct Algorithmic Strategies in the Implementation of Advanced Anisotropic Models with Mixed Hardening
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Asymmetric Yield Locus Evolution for HCP Materials: A Continuum Constitutive Modeling Approach
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Crystal Plasticity Modeling of the Through-Thickness Texture Heterogeneity in Heavily Rolled Aluminum
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How to Combine the Parameters of the Yield Criteria and the Hardening Law
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Comparison of Different Constitutive Models in Sheet Metal Forming
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Activation Energy for Hot Deformation of 15-5 PH Stainless Steel
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Hot Deformation Studies of a Low Carbon Steel Containing V
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 554-557Crystal Plasticity Modeling of the...

Crystal Plasticity Modeling of the Through-Thickness Texture Heterogeneity in Heavily Rolled Aluminum

Abstract:

Textures of rolled sheets are typically orthotropic along the mid-thickness plane, where the material undergoes plane strain compression. At the surface and in the subsurface layers, however, the achievement of the orthotropic symmetry can be impeded due to friction between the sheet and the rolls. The through-thickness strain distribution and texture have been found to also depend on the rolling draught [1], the load exerted on the rolls, the temperature and the rolling speed. Valid predictions of the influence of the shear deformation on the development of the microstructure and texture are not only important for controlling structural characteristics of the as-deformed material, but are also a pre-requisite to the investigation of the recrystallization process upon annealing. A recent experimental study of the texture development in heavily rolled aluminum revealed that the texture in each subsurface layer was dominated by one of the symmetric variants of the “copper” component. To investigate the conditions under which such variant selection is expected, a crystal plasticity theory combined with several mean-field as well as full-field scale-transition schemes is applied in the present work. Model predictions are compared to the texture development measured by EBSD in samples rolled to high and ultrahigh strains.

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Periodical:

Key Engineering Materials (Volumes 554-557)

Pages:

1189-1194

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.554-557.1189

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Online since:

June 2013

Authors:

Laurent Delannay, Oleg Mishin

Keywords:

Cold Rolling, Crystallographic Texture, Metal Plasticity, Multiscale Modeling

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