The Simulation of Texture of Al۰.۳CoCrFeNi High Entropy Alloy after Cold Deformation using Visco-Plastic Self-Consistent Model
Publish place: The Iranian Journal of Materials Forming، Vol: 10، Issue: 1
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJMF-10-1_006
تاریخ نمایه سازی: 28 خرداد 1402
Abstract:
In the present study, a visco-plastic self-consistent model (VPSC) was used to predict the Al۰.۳CoCrFeNi 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 ۱۰۵۰°C for ۱۰ h to remove the residual stress and reduce the micro-macro-segregation. This was followed by ۷۵% cold reduction which was employed in seven passes. In order to simulate the Al۰.۳CoCrFeNi texture via the VPSC model, affine schemes and hardening parameters were used in this model. Moreover, this model was performed by Fortran ۷۷ programming languages, and grain fragmentation and co-rotational effect were used in this code. In this study, a simulation process was used for ۳۰۰ and ۱۰۰۰ 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.
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Authors
A.H. Hosseinifar
Department of Materials and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
K. Dehghani
Department of Materials and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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