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Journal Science Intensive Technologies №8 for 2014 г.
Article in number:
The peculiarity of glide dislocations and oscillating dislocation loops chaotic assembly interaction
Keywords: glide dislocations oscillating dislocation loops assemblies assembly dishardening
Authors:
S.A. Glebov - Ph.D. (Phys.-Math.), Associate Professor, Chair of «Computer Software, Information Technologies and Applied Mathematics», Bauman Moscow State Technical University, Kaluga Branch
I.I. Kruchinin - Ph.D. (Tech.), Associate Professor, Chair of «Computer Software, Information Technologies and Applied Mathematics»,Bauman Moscow State Technical University, Kaluga Branch
M.B. Loginova - Assistant, Chair of «Computer Software, Information Technologies and Applied Mathematics», Bauman Moscow State Technical University, Kaluga Branch
Yu.A. Serebryakov - Ph.D. (Tech.), Associate Professor, Chair of «Computer Software, Information Technologies and Applied Mathematics», Bauman Moscow State Technical University, Kaluga Branch
Abstract:
The analysis by the computer simulation methods to crystals with HCP structure of processes of glide dislocations movement through ensembles of oscillating prismatic loops have been carried out. The simulation was performed taking into account the fine structure of the internal stress fields produced by dislocation loops, which were randomly housed in the model volume, were considered circular, edge with Burgers vector b = [0001] and delta-distributed in radius (Ri). For three types of ensembles of dislocation loops (Ri) (i = 1, 2, 3) the dependences of the critical glide dislocations stress on the value of the dislocation loops oscillation amplitude were obtained and discussed. It is shown that the characteristics of the softening of the ensemble due to the possibility of dislocation loops to produce forced oscillations are isomorphic with respect to congruent transformation.
Pages: 13-18
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