Strengthening mechanisms in metal-graphene nanocomposites: the role of interfaces and amorphous matrix
V.A. Polukhin, S.Kh.. Estemirova
Vatolin Institute of metallurgy of the Ural Branch of the RAS
DOI: 10.26456/pcascnn/2025.17.720
Review
Abstract: Current studies of metal-graphene (G) nanocomposites (such as Al/G, Ni/G, Ti/G) demonstrate their outstanding mechanical properties when combining an amorphous metal matrix with dispersed graphene. Analysis of the literature data allows us to identify two key factors responsible for the increased strength and thermal stability of such materials: (i) the formation of hybridized metal-carbon bonds at the phase interface and (ii) special deformation mechanisms, including the activity of shear transformation zones and dislocation locking at the interfaces. For amorphous alloys, the free volume plays a decisive role, promoting local restructuring and the formation of strengthening nano phases. Comparative analysis of molecular dynamics modeling data and experimental results shows their good consistency, which confirms the effectiveness of graphene as a reinforcing phase. The obtained results allow us to consider metal-graphene nanocomposites as a promising direction in the development of new materials with improved mechanical and thermal characteristics, including providing exploitation in extreme conditions.
Keywords: graphene, metal composites, amorphous alloys, molecular dynamics modeling, deformation mechanisms, reinforcement, bond hybridization, interface interactions, mechanical properties
- Valery A. Polukhin – Dr. Sc., Chief Researcher, Vatolin Institute of metallurgy of the Ural Branch of the RAS
- Svetlana Kh.. Estemirova – Ph. D., Senior Researcher, Vatolin Institute of metallurgy of the Ural Branch of the RAS
For citation:
Polukhin V.A., Estemirova S.Kh.. Mekhanizmy uprochneniya v metall-grafenovykh nanokompozitakh: vliyanie interfejsov i amorfnoj matritsy [Strengthening mechanisms in metal-graphene nanocomposites: the role of interfaces and amorphous matrix], Fiziko-khimicheskie aspekty izucheniya klasterov, nanostruktur i nanomaterialov [Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials], 2025, issue 17, pp. 720-732. DOI: 10.26456/pcascnn/2025.17.720. ⎘
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