Formation of a misorientation band in the elastic field of a disclination dipole |
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| Authors: | G F Sarafanov V N Perevezentsev and Yu V Svirina |
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| Institution: | 1.Mechanical Engineering Research Institute, Nizhni Novgorod Branch,Russian Academy of Sciences,Nizhni Novgorod,Russia |
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| Abstract: | The formation of a misorientation band in the elastic field of a disclination dipole is considered and simulated using a kinetic
approach. The dipole is artificially located on a grain boundary or induced by plastic deformation on a double ledge in a
grain boundary in a bicrystal. The simulation results agree well with the results obtained earlier in a continuum approximation.
The dislocation structure of the misorientation band that forms during accommodation slip is shown to be a dynamic steady-state
structure, and its appearance has a kinetic nature. |
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