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- W3006642894 abstract "Purpose . The goal of this work was to study the localization of deformation near inclusions in steels with various types of metal matrix and the behavior of the inclusions themselves under pulsed loading. Methodology . Dynamic loading of the samples of steels E3 and 08H18N10T was carried out according to the scheme of throwing a thin plate. The calculated pressure was 80...90 GPa, strain rate 100 s -1 , exposure time 1.5 · 10 -6 s. The studies were carried out by several methods: metallographic (Neophot-21), electron microscopic (JSM-35). Findings . The features of local changes in the structure of the steel matrix near non-metallic inclusions under pulsed loading were studied. The processes of localization of deformation near inclusions in steels with various types of metal matrix and the behavior of the inclusions themselves under pulsed loading are discussed. The influence of the physical features of high-speed deformation on the formation of the structure of steels and the processes of its localization near inclusions were analyzed. It was established that stresses localized in a steel matrix near the inclusions cause their destruction. Scientific novelty . The analysis of plastic relaxation zones in a steel matrix was carried out, which made it possible to confirm the formation of regions with various orientations, which indicates a shear-rotational reorientation of these stress relaxation zones near inclusions as a result of plastic deformation having a wave nature. The general patterns of structure formation were determined and the influence of the crystal lattice type of the matrix of steels E3 and 08H18N10T on the development of localization of deformation processes near inclusions was shown. Practical relevance . Using the results obtained will allow us to develop pulsed pressure treatment regimes that allow you to influence the formation of the structure near non-metallic inclusions in various steels." @default.
- W3006642894 created "2020-02-24" @default.
- W3006642894 creator A5079633168 @default.
- W3006642894 date "2019-12-27" @default.
- W3006642894 modified "2023-10-16" @default.
- W3006642894 title "Influence of non-metallic inclusions on the formation of the structure of the steel matrix in explosive loading" @default.
- W3006642894 doi "https://doi.org/10.30838/j.pmhtm.2413.241219.36.598" @default.
- W3006642894 hasPublicationYear "2019" @default.
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