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Direct Imaging of Deformation of Metallic Materials by Means of Slow Electrons
Piňos, Jakub ; Kolíbal, Miroslav (referee) ; Kasl, Josef (referee) ; Frank, Luděk (advisor)
Scanning electron microscopy is one of the common tools for the analysis of advanced engineering materials. The development of various techniques allows choosing an appropriate mode of observation to obtain new information about sample structure and properties. The thesis deals with direct imaging of deformation in metal samples by scanning low energy electron microscopy during the in-situ tensile test. Experiments were performed on pure copper samples. Images obtained during the tensile test allow us to observe the effect of deformation in the structure of metal from the first appearance of these effects in structure at deformation intensities about 3-4% up to extreme plastic deformation at the crack tip.

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