Jump-like plastic deformation of hard type-II superconductors
E. M. BroninaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. A. KiryushinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovI. N. NechiporenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
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Аннотация
The criteria for jump-like plastic deformation and the concomitant penetration of vortices into hard type-II superconductors are obtained. Uniform and localized plastic deformations of hard superconductors are studied taking into account the multiplication of dislocations in cases of a single filamentary superconductor in a magnetic field and a composite superconductor with and without a magnetic field. The effect of a current in the superconductors and their bending on the jump-like plastic deformation was studied. A new mechanism for stimulating jump-like plastic deformation of materials is indicated.
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