The dynamics of near-surface prismatic loops in lead Y. Petelina, S. Samokhina, K. Polosukhin [et.al.]
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ArticleSubject(s): призматические петли | кинетическая энергия | дислокационные петли | свинецGenre/Form: статьи в журналах Online resources: Click here to access online
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AIP Conference Proceedings Vol. 1698. P. 040004-1-040004-4Abstract: The paper proposes the study of the dynamics of near-surface dislocation loops in lead. It has been shown that the activation of a prismatic near-surface dislocation loop and its motion inward the crystal practically throughout the entire path occurs at a high velocity close to the speed of sound in metal. The kinetic energy per unit length of the dislocation loop during its motion decreases linearly and weakly depends on the density of dislocations in metal. Moreover, a weak dependence of the path length and the path time of a prismatic loop on the dislocation density in lead is observed.
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The paper proposes the study of the dynamics of near-surface dislocation loops in lead. It has been shown that the activation of a prismatic near-surface dislocation loop and its motion inward the crystal practically throughout the entire path occurs at a high velocity close to the speed of sound in metal. The kinetic energy per unit length of the dislocation loop during its motion decreases linearly and weakly depends on the density of dislocations in metal. Moreover, a weak dependence of the path length and the path time of a prismatic loop on the dislocation density in lead is observed.
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