PSI - Issue 65

ScienceDirect Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2024) 000–000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2024) 000–000 Available online at www.sciencedirect.com

www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia

Procedia Structural Integrity 65 (2024) 317–323

The 17th International Conference on MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS 2023) The effect of carbide nanostructures of the reinforcing phase on the mechanical properties of an aluminum composite obtained by injection molding E.G. Zemtsova a, *, P.E. Morozov a , Yu.V. Sidorov a , N.F. Morozov a , B.N. Semenov a , V.M. Smirnov a a St. Petersburg State University, 198504, Universitetsky pr., 26, St. Petersburg, Russian Federation The work relates to the nanotechnology and composites with a metal matrix and nanoscale reinforcing structures. A technique was developed for obtaining a composite material with a uniform distribution of dispersed phase particles in the volume of the aluminum matrix using the injection molding method. The process of mixing the Al melt and the dispersed phase has been studied. An increase in the strength of the obtained composites by 1.5 times compared with pure Al and the preservation of plasticity is observed for all obtained samples of composite materials, in which the dispersed reinforcing phase are TiC nanostructures obtained during chemical assembly on the surface of aluminum particles. Composites obtained by injection molding, for which a reinforcing phase with surface carbide nanostructures is used, in addition to a higher tensile strength, demonstrate a more plastic fracture pattern characteristic of dispersed hardening of materials. With an increase in the volume of reinforcement of the composite from 1 to 5 %, embrittlement of the material does not occur. © 2024 The Authors, Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers Keywords: composite materials; ceramic nanoparticles; mechanical properties. The 17th International Conference on MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS 2023) The effect of carbide nanostructures of the reinforcing phase on the mechanical properties of an aluminum composite obtained by injection molding E.G. Zemtsova a, *, P.E. Morozov a , Yu.V. Sidorov a , N.F. Morozov a , B.N. Semenov a , V.M. Smirnov a a St. Petersburg State University, 198504, Universitetsky pr., 26, St. Petersburg, Russian Federation Abstract The work relates to the nanotechnology and composites with a metal matrix and nanoscale reinforcing structures. A technique was developed for obtaining a composite material with a uniform distribution of dispersed phase particles in the volume of the aluminum matrix using the injection molding method. The process of mixing the Al melt and the dispersed phase has been studied. An increase in the strength of the obtained composites by 1.5 times compared with pure Al and the preservation of plasticity is observed for all obtained samples of composite materials, in which the dispersed reinforcing phase are TiC nanostructures obtained during chemical assembly on the surface of aluminum particles. Composites obtained by injection molding, for which a reinforcing phase with surface carbide nanostructures is used, in addition to a higher tensile strength, demonstrate a more plastic fracture pattern characteristic of dispersed hardening of materials. With an increase in the volume of reinforcement of the composite from 1 to 5 %, embrittlement of the material does not occur. © 2024 The Authors, Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers Keywords: composite materials; ceramic nanoparticles; mechanical properties. © 2024 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers Abstract

* Corresponding author. Tel.: +7-812-428-4033. E-mail address: ezimtsova@yandex.ru * Corresponding author. Tel.: +7-812-428-4033. E-mail address: ezimtsova@yandex.ru

2452-3216 © 2024 The Authors, Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers 2452-3216 © 2024 The Authors, Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers

2452-3216 © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of MRDMS 2023 organizers 10.1016/j.prostr.2024.11.047