Abstract
Based on the results of electron microscopy examinations, a theoretical study of the distortion tensors of strain localization nanobands with a 90° reorientation of the crystal lattice is performed. The analysis is carried out in the direct-plus-reverse model of FCC→BCC→FCC martensitic transformations in an approximation of the linear theory of small strains. Using the atomic model of martensitic transformations based on a system of cooperative thermal fluctuations of planes in the BCC lattice, the distortion tensors of the contraction and shear deformation modes are estimated and so is their contribution to the total distortion of the reversible martensitic transformation.
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