Journal of Computational Methods in Engineering

Journal of Computational Methods in Engineering

Microstructure and texture investigation of commercial pure aluminium subjected to torsion deformation using crystal plasticity simulation

Document Type : Original Article

Authors
Erfan Maddah
Mohammad Javad Rezaei
Mohammad Sedighi
School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
10.47176/jcme.43.2.1034
Abstract
Aluminum wires, due to their extensive use in various industries, particularly in the electrical industry, have been of significant importance. One of the most effective methods for investigating microstructure is the utilization of crystal plasticity theory. In this study, the microstructural changes of a 1000 aluminum wire (grade 1350) with a diameter of 4 mm under torsional loading are examined using a spectral solver (Fast Fourier Transform) in DAMASK software. For this purpose, Crystal Plasticity Fast Fourier Transform (CPFFT) is applied to a Representative Volume Element (RVE) containing 100 grains. The initial non-random texture is assigned to the Representative Volume Element (RVE) as quaternion numbers, and then, using a crystal plasticity spectral solver, the deformed quaternion numbers due to shear deformation are extracted. Using the MTEX toolbox available in Matlab, these numbers are transformed into pole figures (PF), inverse pole figures (IPF), and orientation distribution functions (ODF) of grains were converted and plotted. The accuracy of CPFFT results is validated against experimental results from Electron Backscatter Diffraction (EBSD) tests. Comparison of the results for a 𝜋-radian rotation sample shows that components A، A^*1 ، A^*2، B and Bً are created at the pole figure results, but did not indicate any component from the orientation distribution function in both EBSD and CPFFT test samples.
Keywords
Crystal plasticity
Texture
Microstructural evolution
Numerical spectral solver
Subjects
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