REZULTS OF INVESTIGATION OF METALS RHEOLOGY UNDER HIGH TEMPERATURE PLASTIC DEFORMATIONS
The work has been carried out to development and improvement of methods of implementation of plastometric test of samples for investigation rheology of metals under high temperature plastic deformation. Test series of samples from austenitic stainless steel 08X18H10T and AMg6 alloy have been carried out. Metals microstructure at backend of deformation process in different area of deformation site of sample has been studied using metallographic analysis. New result which indicates sharp growth grain under small strain deformation has been obtained. Definition intermetal hardness experiments for AMg6 alloy have been carried out. The adequacy of developed earlier rheological model describing processes recovery and dynamic recristallization for elastic-visco-plastic environment has been confirmed upon large quantity experimental dates.