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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2018, Volume 107, Issue 9, Pages 583–589
DOI: https://doi.org/10.7868/S0370274X18090084
(Mi jetpl5565)
 

This article is cited in 12 scientific papers (total in 12 papers)

CONDENSED MATTER

Anomalous behavior of an $\alpha\to\gamma$ phase transition in iron: results of in situ neutron diffraction experiment

A. M. Balagurovab, I. A. Bobrikovb, I. S. Golovinc

a Moscow State University, Moscow, Russia
b Joint Institute for Nuclear Research, Dubna, Moscow region, Russia
c National University of Science and Technology MISiS, Moscow, Russia
References:
Abstract: Neutron diffraction studies of a $\alpha\to\gamma$ structural phase transition ($T_c\approx911\,^\circ$C) in iron samples at different initial states have been performed. The anomalous disappearance of a diffraction pattern is observed in iron in the region of the $\alpha\to\gamma$ phase transition. At repeated heating processes of an as cast sample, this effect becomes less pronounced and it is absent at the heating of iron powder. The observed effects have been assumingly attributed to the formation of small paracrystalline clusters with a large dispersion of the cell parameters in the process of phase transition. The kinetics of formation of clusters is slowed in as cast samples, which leads to the temporal disappearance of the diffraction pattern. These results make it possible to reconsider the atomic processes in the $\alpha\to\gamma$ phase transition in iron.
Funding agency Grant number
Russian Foundation for Basic Research 18-02-00325_а
17-52-44024_Монг_а
Received: 26.03.2018
English version:
Journal of Experimental and Theoretical Physics Letters, 2018, Volume 107, Issue 9, Pages 558–563
DOI: https://doi.org/10.1134/S0021364018090060
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. M. Balagurov, I. A. Bobrikov, I. S. Golovin, “Anomalous behavior of an $\alpha\to\gamma$ phase transition in iron: results of in situ neutron diffraction experiment”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:9 (2018), 583–589; JETP Letters, 107:9 (2018), 558–563
Citation in format AMSBIB
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\paper Anomalous behavior of an $\alpha\to\gamma$ phase transition in iron: results of in situ neutron diffraction experiment
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\pages 583--589
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  • This publication is cited in the following 12 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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