Abstract
The nanostructuring of an AMg6 aluminum alloy is carried out by the method of severe plastic deformation via the hot extrusion of a billet made of pressed nanocomposite powder, which is obtained by the dispersion of a mixture of alloy chips and C60 fullerite powder in a planetary ball mill. The structural features of the resulting n-AMg6/C60 nanocomposite are investigated. Experimental studies of the mechanical characteristics of the n-AMg6/C60 nanocomposite are presented. The stress–strain curves σ = σ(ε) are measured for the nanostructured composite samples upon a cyclic variation in the stress applied to the samples. During the experiments, almost no residual deformations are detected in the samples of n-AMg6/C60 composite, and the stress–strain curves do not contain regions corresponding to plastic deformation. It is established that reversible mechanical loading–unloading of the samples of AMg6/C60 causes their hardening. These data are supplemented by measurements of the microhardness and changes in the velocity of longitudinal elastic waves upon a cyclic variation in the load on the sample.
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The work was done using the Shared Research Facilities “Research of Nanoctructured and Superhard Materials” FSBI TISNCM.
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Translated by E. Boltukhina
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Prokhorov, V.M., Evdokimov, I.A., Korobov, A.I. et al. Nanostructuring of an Aluminum Alloy and Investigation of the Mechanical Properties of the Resulting Al/C60 Nanocomposite. Nanotechnol Russia 17, 523–528 (2022). https://doi.org/10.1134/S263516762204019X
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DOI: https://doi.org/10.1134/S263516762204019X