Abstract
The article deals with sub-structural transformations in FCC crystals under the influence of point defect fluxes. Different relationships between accumulation of point defects in crystal and substructure transformations, in particular during the process of fragmented dislocation structure formation have been received.
Highlights
The most productive approach to the study of staging of metal and alloys plastic deformation is to identify substructural transformations and related hardening mechanisms [1]
In mathematical modeling of plastic deformation the occurrence of individual elements of every substructure at all stages of deformation is expected, wherein the substructural transformation means element accumulation of a new substructure to such significant quantities that these elements become predominant among all others
Snowflakes correspond to dislocation density, calculated using formula ρ = 7.8·106τ2, based on hardening curve of a copper single crystal oriented in the [001] direction, deformable at T = 293 K and at constant speed of shear deformation a = 104 s-1
Summary
Different relationships between accumulation of point defects in crystal and substructure transformations, in particular during the process of fragmented dislocation structure formation have been received
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