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Interconnection of structural characteristics with dynamic properties of A5083 aluminum alloy I. G. Brodova, A. N. Petrova, S. V. Razorenov, E. V. Shorokhov

Contributor(s): Petrova, A. N | Razorenov, Sergey V | Shorokhov, E. V | Brodova, I. GMaterial type: ArticleArticleSubject(s): алюминиевые сплавы | субмикрокристаллическая структура | ударные волны | скорость деформацииGenre/Form: статьи в журналах Online resources: Click here to access online In: Inorganic materials: applied research Vol. 10, № 1. P. 168-173Abstract: In this work, the resistance of high-strain rate deformation and fracture during shock-wave compression of aluminum alloy A5083 previously obtained in two structural states by torsion under high pressure or dynamic pressing is studied. It is shown by electron microscopy that sub-microcrystalline structures differ in the size of grain–subgrains, dislocation density, and ratio of low-angle and high-angle boundaries. It is established that, at the same grain size, the sub-microcrystalline alloy exhibits higher dynamic properties, and after dynamic pressing, it has higher spall strength.
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In this work, the resistance of high-strain rate deformation and fracture during shock-wave compression of aluminum alloy A5083 previously obtained in two structural states by torsion under high pressure or dynamic pressing is studied. It is shown by electron microscopy that sub-microcrystalline structures differ in the size of grain–subgrains, dislocation density, and ratio of low-angle and high-angle boundaries. It is established that, at the same grain size, the sub-microcrystalline alloy exhibits higher dynamic properties, and after dynamic pressing, it has higher spall strength.

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