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Intersection of screw dislocations in fcc crystals during torsional deformation

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Abstract

Dislocation reactions, including dislocation intersections during various processes in crystals, play an important and often crucial role. This is most pronounced during plastic deformation of crystalline solids, which attracts particular interest from researchers. Intersection of screw dislocations in fcc crystals during their deformation by uniaxial tension and compression was studied by A. Cottrell [1]. It was shown that the intersection of similar screw dislocations moving toward each other results in the formation of interstitial thresholds on them; in the case of intersection of opposite screw dislocations, vacancy thresholds are formed on them.

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Correspondence to M. M. Myshlyaev.

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Original Russian Text © M.M. Myshlyaev, 2012, published in Doklady Akademii Nauk, 2012, Vol. 443, No. 3, pp. 307–309.

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Myshlyaev, M.M. Intersection of screw dislocations in fcc crystals during torsional deformation. Dokl. Phys. 57, 107–109 (2012). https://doi.org/10.1134/S1028335812030093

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