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Developing, Simulating, and Researching a Production Process of Long Deformed Semi-Fabricated Aluminum–Magnesium Products with a Varying Scandium Content

  • PRESSURE TREATMENT OF METALS
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Abstract

The research results of the production of long deformed semi-fabricated products by sheet rolling and direct extrolling from aluminum-magnesium alloys with various scandium content are presented. Computer simulation and physical modeling methods are used and the results are verified by pilot testing. The choice of these materials as objects of research is due to the fact that aluminum alloys of the Al–Mg system doped with scandium have an increased corrosion resistance along with high strength. In this regard, the present work sets up a target of obtaining long deformed semi-fabricated products in the form of sheet metal, bars, and welding wire from Al–Mg alloys, including lean alloyed ones. For computer simulation, the DEFORM-3D software package is used to determine the rational conditions for the hot rolling of large ingots and the deformation modes of the direct extrolling of bars from the alloys under consideration. The technological and power parameters of these processes and the laws of their change are established and justified. The experimental results make it possible to identify marginal values of the force parameters during the physical modeling of the processes under study, as well as to study the structure and properties of deformed, annealed, and welded semi-fabricated products from the alloys under consideration. In addition, the material properties are determined in a quite wide range of temperature, speed, and deformation parameters variations. Based on the experimental and simulation results, recommendations are given for the industrial development of hot rolling of heavy gauge aluminum-magnesium ingots. For this purpose, technological solutions, regulations, and conditions for the production of deformed semi-fabricated products from these alloys are developed and batches of sheet metal with the required mechanical and corrosion properties are obtained.

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Funding

This work was carried out under the project 03.G25.31.0265 “Development of Sparingly Doped High-Strength Al–Sc Alloys for Use in Automotive and Shipbuilding Industries” as part of the Program for the Implementation of Complex Projects for the Creation of High-Tech Production, approved by Decree of the Government of the Russian Federation of April 9, 2010, No. 218.

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Authors and Affiliations

  1. Siberian Federal University, 660041, Krasnoyarsk, Russia

    S. B. Sidelnikov, O. V. Yakivyuk, V. N. Baranov & I. N. Dovzhenko

  2. OAO RUSAL Bratsk Aluminum Smelter, 665716, Bratsk, Irkutsk oblast, Russia

    E. Yu. Zenkin

Authors
  1. S. B. Sidelnikov
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  2. O. V. Yakivyuk
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  3. V. N. Baranov
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  4. E. Yu. Zenkin
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  5. I. N. Dovzhenko
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Correspondence to S. B. Sidelnikov.

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The authors declare that they have no conflict of interest.

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Translated by A. Kolemesin

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Sidelnikov, S.B., Yakivyuk, O.V., Baranov, V.N. et al. Developing, Simulating, and Researching a Production Process of Long Deformed Semi-Fabricated Aluminum–Magnesium Products with a Varying Scandium Content. Russ. J. Non-ferrous Metals 61, 81–88 (2020). https://doi.org/10.3103/S1067821220010150

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  • DOI: https://doi.org/10.3103/S1067821220010150

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