Zhukovskyy V. Effect of stress-strained state on thermoelastic deformations of textured polycrystalline materials

An aim of this dissertation is development of a series of methods for establishment of a connection between stress-strained state of the polycrystalline materials and their thermoelastic deformations, creation of a device for non-destructive control of the textured materials physics-mechanical properties. The phase-modulated specle-interferimeter has been elaborated during achievement of the aim. In this device, in contrast to the well-known ones, that allows to obtain the more contrast interferogramms and to determine unambiguous directions of the deformations. The connection between a character of the deformation distribution, that is a result of nonuniform heating, and the residual stresses' distribution is established. An experimental device prototype and the programme packet, that allows to carry out the residual stresses measurements and their distribution over all sheet simultaneously are created.