Change of superdislocation splitting with strain in single crystals of the Ni3Fe ordered alloy

Abstract

The method of transmission electron microscopy is used to study the dislocation structure in single crystals of the Ni 3 Fe ordered alloy for different degrees of strain. The [1812], [011], [111] and [001] single crystal orientations are examined. The superdislocation splitting (r) is measured for different degrees of strain, distributions of r are constructed, and their average values 〈r〉 are estimated. The 〈r〉-e curves are constructed. With the use of the experimental r values, the effective energy of antiphase boundaries ζ* is estimated.