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Title | Dimensional Effects in Micro- and Nanostructural Changes in Grain and Intragrained Structure of Steel 45 at Static-pulse Treatment |
Authors |
Kirichek, A.V.
Kuzmenko, A.P. Soloviev, D.L. Barinov, S.V. Altukhov, A.Yu. Silantiev, S.A. Grechukhin, A.N. Myo Min, Than Dobromyslov, M.B. |
ORCID | |
Keywords |
Plastic deformation Static-pulse deformation Shock-wave mechanism The size effect Selforganization of dislocations |
Type | Article |
Date of Issue | 2015 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/43217 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Kirichek. A.V. Dimensional Effects in Micro- and Nanostructural Changes in Grain and Intragrained Structure of Steel 45 at Static-pulse Treatment [Текст] / A.V. Kirichek, A.P. Kuzmenko, D.L. Soloviev et al. // Журнал нано- та електронної фізики. — 2015. — Т.7, №4. — 04023-1. |
Abstract |
Conducted macro-, micro- and nanostructured materials were investigated by the influence of sample
sizes of steel 45 in the form of a parallelepiped, after intense static pulse processing in plastic deformation
as in the single (150 J), and pulsed (25 J) impact with a frequency of 23 Hz. When all modes of processing
bulk samples found structuring self-organized formation of dislocations. With a single exposure revealed as
filling pearlite grains periodic dislocations (200 nm), and the formation of dislocation-free regions. When a
periodic pulse treatment of the samples with transverse dimensions fold speed of propagation of elastic
waves and shock waves as well as the related transport velocity of dislocations turns shockwave
mechanism causing the formation of alternating strips of ferritic and pearlite walls (25 microns), wherein
the pearlite wall completely or partially filled with dislocations. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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