Abstract
The formation of microcracks upon dislocation interactions was studied by means of TEM analysis. The types of microcracks were classified depending on the orientation of deformation axes in single crystals. The Griffith surface energy was simulated, and the energy of unstable stacking faults was calculated by the molecular dynamics method using the N-particle EAM potentials of the interatomic interaction for Ti3Al. The Rice—Thompson model was used to study the relationship between the tendency toward cleavage and the plastic relaxation of stresses near a crack tip by the emission of dislocations in Ti3Al single crystals.
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