Samara National Research University, Samara, Russia:

E. V. Aryshenskiy, Associate Professor at the Department of Metal Technology and Aviation Materials Engineering, Leader of Industry-Specific Research Laboratory No. 4, Doctor of Technical Sciences, e-mail: arishenskiy.ev@ssau.ru

Siberian State Industrial University, Novokuznetsk, Russia:
S. V. Konovalov, Vice Rector for Research and Innovation, Professor, Doctor of Technical Sciences, e-mail: konovalov@sibsiu.ru

Samara Metallurgical Plant JSC, Samara, Russia:
V. Yu. Aryshenskiy, Principal Rolling Mill Specialist, Professor, Doctor of Technical Sciences, e-mail: Vladimir.Aryshensky@samara-metallurg.ru
E. D. Beglov, Manager, Candidate of Technical Sciences, e-mail: Erkin.Beglov@samara-metallurg.ru

A new approach is offered to the partitioning of solution region when modelling the deformation texture forming in aluminium alloys. This method is based on finding the stress-strain state and the speed field on the macrolevel with the help of finite element method. The solution region is then divided into domains, which, in their turn, are divided into finite elements. There is a grain with its crystallographic orientation that corresponds to one or several of these elements. After that, boundary conditions are set based on the speed field calculated for each domain on the macrolevel. And then a problem of domain deformation and crystallographic texture formation is solved. In the course of problem sol ving, a slip plane is determined for each crystallite that belonged to the domain. A laboratory experiment was conducted to confirm the adequacy of the developed method. A comparison of experimental and simulation data showed that the new approach enables to carry out an efficient simulation of the texture forming in different sections, which experience strain differently. Besides, the new approach helps shorten the simulation time compared with other finite element methods of crystal plasticity modelling, which are used to simulate the texture forming in aluminium alloys under deformation.
This research was funded through grant by the Russian Science Foundation; Project: 18-79-10099-П, https://rscf.ru/project/21-79-03041/.

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