Investigation of the dynamics of a screw dislocation in copper S. N. Kolupaeva, Y. P. Petelina, K. A. Polosukhin, A. E. Petelin
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ArticleSubject(s): математические модели | кристаллографические сдвиги | кристаллографическое скольжение | медь | дислокация винтоваяGenre/Form: статьи в журналах Online resources: Click here to access online
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Russian physics journal Vol. 58, № 4. P. 461-464Abstract: A modification of the mathematical model of forming the crystallographic shear band is proposed in which the strength of elastic interaction between all dislocations of the forming dislocation pileups is taken into account in addition to the Peach–Keller force; lattice, impurity, and dislocation friction; linear tension; viscous braking; and intensity of generation of point defects behind kinks. The model is used to investigate the influence of the dislocation density on the time characteristics of the formation of dislocation loops in copper.
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A modification of the mathematical model of forming the crystallographic shear band is proposed in which the strength of elastic interaction between all dislocations of the forming dislocation pileups is taken into account in addition to the Peach–Keller force; lattice, impurity, and dislocation friction; linear tension; viscous braking; and intensity of generation of point defects behind kinks. The model is used to investigate the influence of the dislocation density on the time characteristics of the formation of dislocation loops in copper.
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