Effect of annealing and additional deformation on the dynamic properties of ultrafine-grained AMg4.5 alloy
Evstifeev A. D.1,2, Vitokhin E. Yu. 2
1Research Institute of Mechanics, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
2St. Petersburg State University, St. Petersburg, Russia
Email: ad.evstifeev@gmail.com

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The possibility of increasing the static and dynamic strength of the aluminum-magnesium alloy AMg4.5 is shown by using methods of severe plastic deformation, a combination of annealing and additional deformation of ultrafine grained alloy. The strength properties of the material are evaluated using a structural-temporal approach to the analysis of experimental data on the dynamic tension of small samples obtained on split-Hopkinson pressure bar. Keywords: dynamic strength, Incubation time criterion, Kolsky method, aluminum.
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