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This article is cited in 6 scientific papers (total in 6 papers)
Solids
Structural transformations at the initial stages of fragmentation of plastically deformed polycrystals: A computer experiment
V. V. Rybinab, V. N. Pereverzentseva, Yu. V. Svirinaa a Mechanical Engineering Research Institute of RAS
b Peter the Great St. Petersburg Polytechnic University
Abstract:
Results have been presented for a computer experiment on concurrent micro-, meso-, and macroscopic studies of the evolution of dislocation structure in a large (adjacent to one of the junctions) domain of a grain after its constant-rate macroplastic deformation to an extent that corresponds to the onset of the stage of developed plastic deformation. The type of dislocation-density and dislocation-charge distributions, as well as amounts and degrees of inhomogeneity in local plastic deformation, have been analyzed. The type of dislocation rearrangements at the junctions and fractures of high-angle grain boundaries has been established, which is responsible for the formation of the first dangling dislocation boundaries, which are mesodefects that trigger fragmentation.
Received: 08.09.2009
Citation:
V. V. Rybin, V. N. Pereverzentsev, Yu. V. Svirina, “Structural transformations at the initial stages of fragmentation of plastically deformed polycrystals: A computer experiment”, Zhurnal Tekhnicheskoi Fiziki, 87:5 (2017), 726–735; Tech. Phys., 62:5 (2017), 745–754
Linking options:
https://www.mathnet.ru/eng/jtf6235 https://www.mathnet.ru/eng/jtf/v87/i5/p726
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