Abstract
Internal stresses and stored energy density in local places into a grain of a polycrystal are determined. The electron microscopy method of determination of internal stresses and stored energy density for deformed material is used. In each case composite parts of elastic and plastic deformation or only plastic deformation are examined in a dependence from deformation nature. The determination of internal stresses are carried out with an use of bend extinction contours observed on electron microscopy images of deformed material foils. The results of a distribution of internal stresses and stored energy density into a grain on the example of the austenitic steel deformed by strain (ε = 25%).
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