Abstract
The dynamics and morphology of Savart-Masson bands of macrolocalized deformation during a tension test of flat samples of aluminum-magnesium alloy Al-6wt.%Mg with a constant stress rate \((\dot \sigma _0 = const)\) have been investigated in situ using high-speed video recording. A phenomenological classification of the Savart-Masson bands according to the morphological and kinetic peculiarities is presented. This classification includes six types of deformation bands which replace each other with an increase in stress. A morphological diagram of Savart-Masson deformation bands is obtained for the first time. These bands differ significantly from the A, B, and C deformation bands during a tension test with a constant strain rate \((\dot \varepsilon _0 = const)\) under the conditions of the Portevin-Le Chatelier effect.
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