OBRABOTKAMETALLOV Vol. 25 No. 3 2023 17 TECHNOLOGY References 1. Williams J.C., Starke E.A. Progress in structural materials for aerospace systems. Acta Materialia, 2003, vol. 51, pp. 5775–5799. DOI: 10.1016/j.actamat.2003.08.023. Simulation of the rolling process of a laminated composite AMg3/D16/AMg3 Denis Salikhyanov 1, 2, a, *, Nikolay Michurov 2, 3, b 1 Institute of New Materials and Technologies, Ural Federal University named after the fi rst President of Russia B.N. Yeltsin, 19 Mira Str., Ekaterinburg, 620002, Russian Federation 2 Institute of Engineering Science, Ural Branch of the Russian Academy of Sciences, 34 Komsomolskaya Str., Ekaterinburg, 620049, Russian Federation 3 Ural Institute of State Fire Service of EMERCOM of Russia, 22 Mira Str., Ekaterinburg, 620062, Russian Federation a https://orcid.org/0000-0001-7235-7111, d.r.salikhianov@urfu.ru, b https://orcid.org/0000-0003-1775-6181, n.michurov@ya.ru Obrabotka metallov - Metal Working and Material Science Journal homepage: http://journals.nstu.ru/obrabotka_metallov Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science. 2023 vol. 25 no. 3 pp. 6–18 ISSN: 1994-6309 (print) / 2541-819X (online) DOI: 10.17212/1994-6309-2023-25.3-6-18 ART I CLE I NFO Article history: Received: 28 April 2023 Revised: 20 May 2023 Accepted: 13 June 2023 Available online: 15 September 2023 Keywords: Laminated composites Aluminum alloys Accumulative roll bonding Stress-strain state Materials bonding Finite element simulation Funding This study was performed in the frame of the grant No. 22-29-20243 “Multiscale simulation of processes of joining dissimilar materials by plastic deformation” funded by the Russian Science Foundation with the support of the government of Sverdlovsk region. Acknowledgements Research was partially conducted at core facility “Structure, mechanical and physical properties of materials”. ABSTRACT Introduction. Over the past decades, laminated composites based on aluminum alloys have been increasingly used in the aerospace and automotive industries. Laminated composites are usually produced by accumulative roll bonding, which results in the metallurgical bonding of initially prepared sheets. Hence, the main task of accumulative roll bonding is to obtain a reliable bond between materials. However, at present, the process of joining similar or dissimilar materials by plastic deformation is still a poorly understood phenomenon. In this regard, in recent years, methods of fi nite element modeling of the processes of joining materials have begun to develop intensively. The purpose of the work is to establish a relationship between stress-strain state parameters and the formation of a stable bond between aluminum alloys of diff erent compositions. To achieve this goal, the following tasks are formulated: 1. Simulation of the laminated composite “AMg3/D16/AMg3” rolling process using data corresponding to physical experiments carried out at the Institute of Engineering Science of the Ural Branch of the Russian Academy of Sciences; 2. Selection and analysis of the most important stress-strain state parameters of the laminated composite “AMg3/D16/AMg3” rolling process. Research methods. Process simulation system Deform-3D was chosen as the main research tool. Results and Discussion. An analysis of the coordinate grid distortion and velocity vectors of material fl ow of layers revealed that the deformation is distributed inhomogeneously in the cross section after rolling: the outer layers fl ow more intensively compared to the middle layer. The maximum scatter of strain intensity ei in the cross section, observed at a maximum reduction ratio of 75%, is 12%. This allows one to accept for analytical calculations in the fi rst approximation the assumption of deformation uniformity. A relationship is established between the beginning of the formation of a bond between composite layers and the threshold expansion of the contact surface and normal pressure at the interlayer boundary. In the fi nal part of the study, future directions for improving the approaches of simulation the laminated composites rolling processes are proposed. For citation: Salikhyanov D.R., Michurov N.S. Simulation of the rolling process of a laminated composite AMg3/D16/AMg3. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) =Metal Working and Material Science, 2023, vol. 25, no. 3, pp. 6–18. DOI: 10.17212/19946309-2023-25.3-6-18. (In Russian). ______ * Corresponding author Salikhyanov Denis R., Ph.D. (Engineering), Associate Professor Ural Federal University named after the fi rst President of Russia B.N. Yeltsin, 28 Mira Str., Ekaterinburg, 620002, Russian Federation Tel.: +7 (343) 375-44-37, e-mail: d.r.salikhianov@urfu.ru
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