The Simulation of Texture of Al0.3CoCrFeNi High Entropy Alloy after Cold Deformation using Visco-Plastic Self-Consistent Model

Document Type : Research Paper

Authors

Department of Materials and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran

Abstract

In the present study, a visco-plastic self-consistent model (VPSC) was used to predict the Al0.3CoCrFeNi texture after cold rolling. The alloy under examination was produced via vacuum arc remelting and casting (VAR casting). Then, it was remelted four times to have the best structure homogeneity. However, the produced ingot was then homogenized at 1050°C for 10 h to remove the residual stress and reduce the micro-macro-segregation. This was followed by 75% cold reduction which was employed in seven passes. In order to simulate the Al0.3CoCrFeNi texture via the VPSC model, affine schemes and hardening parameters were used in this model. Moreover, this model was performed by Fortran 77 programming languages, and grain fragmentation and co-rotational effect were used in this code. In this study, a simulation process was used for 300 and 1000 grains. After that, simulation results were compared with experimental textures that were measured by the X-ray diffraction method. The results showed that both experimental and simulated textures have an acceptable compatibility. However, there are differences between the measured and simulated results, which can be attributed to the number of grains of estimated and simulated cases.

Keywords

References

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Iranian Journal of Materials Forming
Volume 10, Issue 1
January 2023
Pages 53-60

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