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A. V. Dobromyslov, E. A. Kozlov, N. I. Taluts


The deformation structure of high-purity iron after loading by spherically converging shock waves is studied by optical metallography, transmission electron microscopy, and microhardness measurements. It is revealed that high-rate plastic deformation of iron proceeds by slip. Shear bands and bands of strain localization along grain boundaries are formed in the course of loading. A mixed structure consisting of dislocation cells and bands is observed at the microlevel. Under realized loading conditions, high-rate plastic deformation of iron proceeds in the ε-phase; therefore twins are not formed. The deformation structure of high-purity iron is compared with the structure of Armco iron formed after similar loading conditions. The found difference is explained by different mobility of dislocations.

Keywords: iron, shock waves, high-rate plastic deformation, structure



impact factor
RSCI 0.284


MRDMK 2019
MRDMK 2019

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Founder:  Institute of Engineering Science, Russian Academy of Sciences (Ural Branch)
Chief Editor:  E.S. Gorkunov
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