Modeling of deformation and rotation bands and of deformation induced grain boundaries in IF steel aggregate during large plane strain compression.

Abstract : A computation using crystal plasticity modeling of an actual IF steel aggregate plane strain compression deformation, underlines the formation of different deformation bands morphologies and grain splitting occurrence, already experimentally observed by different authors. The model based on dislocation densities as internal variables, developed in the framework of finite deformation and implemented in the Finite Element Method, is able to capture the main characteristics of different inhomogeneities and to analyze their formation and further development with strain, from the determination of the active and latent slip systems, and also from the quantification of their dislocation densities and corresponding glide rates evolutions. The respective boundary conditions and material properties effects are discussed. (C) 2003 Elsevier Ltd. All rights reserved.
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Submitted on : Tuesday, February 14, 2006 - 4:28:45 PM
Last modification on : Thursday, April 5, 2018 - 12:30:50 PM

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Philippe Erieau, Colette Rey. Modeling of deformation and rotation bands and of deformation induced grain boundaries in IF steel aggregate during large plane strain compression.. International Journal of Plasticity, Elsevier, 2004, 20, pp.1763-1788. ⟨hal-00019025⟩

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