Effect of Quasi_Periodic Homogenization of Plastic Deformations in the Process of Tension of Samples of an Aluminum–Magnesium Alloyстатья
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Аннотация:The experimental investigation of the evolution of the patterns of the deformation fields upon the uniaxial tension of samples of the aluminum–magnesiumalloy has revealed the quasi_periodic character of the development of plastic deformations under conditions of discontinuous yielding of the material, which consists in the alternation of the stages of the generation and propagation of deformation bands of localized plastic flow. These processes are characterized by a high degree of inhomogeneity of the deformation and by the existence of stages of relative leveling_off of the magnitudes of microdeformations over the specimen.