Modelling of Texture Evolution in High Pressure Torsion by Crystal Plasticity Finite Element Method

Abstract:

In this study, texture evolution during high pressure torsion (HPT) of aluminum single crystal is predicted by the crystal plasticity finite element method (CPFEM) model integrating the crystal plasticity constitutive theory with Bassani & Wu hardening model. It has been found by the simulation that, during the HPT process, the lattice rotates mainly around the radial direction of the sample. With increasing HPT deformation, the initial cube orientation rotates progressively to the rotated cube orientation, and then to the C component of ideal torsion texture which could be remained over a wide strain range. Further HPT deformation leads to the orientation towards to the ideal texture component.

• Periodical: Applied Mechanics and Materials (Volumes 764-765)
• Pages: 56-60
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.764-765.56
• Online since: May 2015
• Authors: Pei Tang Wei*, Cheng Lu, Kiet Tieu, Guan Yu Deng, Jie Zhang
• Keywords: Crystal Plasticity Finite Element Method, High Pressure Torsion, Texture Evolution

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