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Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 90, Issue 10, Pages 1694–1701
DOI: https://doi.org/10.21883/JTF.2020.10.49801.61-20 (Mi jtf5182) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Solids

Studying high-frequency acoustic emission during discontinuous creep in an aluminum–magnesium alloy

A. A. Shibkov, M. A. Zheltov, M. F. Gasanov, A. E. Zolotov, A. A. Denisov, S. S. Kochegarov

Tambov State University named after G.R. Derzhavin
Full-text PDF (2792 kB) Citations (1)
DOI: https://doi.org/10.21883/JTF.2020.10.49801.61-20
Abstract: Formation of macrolocalized deformation bands under conditions of serrated creep is studied by methods of acoustic emission (AE) and high-speed video recording. It is established that the fastest stages of the deformation band formation, which are related to the emergence of a band on the surface with subsequent accelerated expansion, are accompanied by generating a burst of an AE signal in the band of $\sim$0.05–1 MHz. Hidden correlations in the complex structure of the acoustic burst were studied by methods of statistical and fractal analysis. The relation between the acoustic burst envelope and variation rate of the force response caused by the formation of an individual deformation band is established.
Keywords: intermittent deformation, creep, acoustic emission, deformation band, fractal structure, aluminum-magnesium alloy.
Funding agency Grant number
Russian Science Foundation 18-19-00304
Russian Foundation for Basic Research 19-08-00395
The complex high-speed experimental in situ studies of the dynamics of deformation bands were supported in part by the Russian Science Foundation, project no. 18-19-00304. The statistical and fractal analysis of acoustic signals was supported by the Russian Foundation for Basic Research, project no. 19-08-00395.
Received: 21.02.2020
Revised: 17.03.2020
Accepted: 18.03.2020
English version:
Technical Physics, 2020, Volume 65, Issue 10, Pages 1622–1629
DOI: https://doi.org/10.1134/S1063784220100199
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. A. Shibkov, M. A. Zheltov, M. F. Gasanov, A. E. Zolotov, A. A. Denisov, S. S. Kochegarov, “Studying high-frequency acoustic emission during discontinuous creep in an aluminum–magnesium alloy”, Zhurnal Tekhnicheskoi Fiziki, 90:10 (2020), 1694–1701; Tech. Phys., 65:10 (2020), 1622–1629
Citation in format AMSBIB
\Bibitem{ShiZheGas20}
\by A.~A.~Shibkov, M.~A.~Zheltov, M.~F.~Gasanov, A.~E.~Zolotov, A.~A.~Denisov, S.~S.~Kochegarov
\paper Studying high-frequency acoustic emission during discontinuous creep in an aluminum–magnesium alloy
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 90
\issue 10
\pages 1694--1701
\mathnet{http://mi.mathnet.ru/jtf5182}
\crossref{https://doi.org/10.21883/JTF.2020.10.49801.61-20}
\elib{https://elibrary.ru/item.asp?id=44154124}
\transl
\jour Tech. Phys.
\yr 2020
\vol 65
\issue 10
\pages 1622--1629
\crossref{https://doi.org/10.1134/S1063784220100199}
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