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Fizika Goreniya i Vzryva, 2000, Volume 36, Issue 2, Pages 45–50 (Mi fgv2181)  
This article is cited in 1 scientific paper (total in 1 paper)

Macrokinetics of thermal explosion in a niobium-aluminum system. II. Phase-formation dynamics

E. B. Pismenskaya, A. S. Rogachev, V. I. Ponomarev

Institute of Structural Macrokinetics and Material Science Problems, Russian Academy of Sciences, 142432, Chernogolovka
Citations (1)
Abstract: The thermal explosion in a gas-free mixture of metal powders has been studied for the first time using the method of dynamic x-ray structural analysis. The dynamics of formation of new crystalline phases at all stages of the process is determined. It is shown that melting of aluminum is followed by dissolution of niobium in the melt and crystallization of the intermediate product NbAl$_3$, and the melt does not wet niobium particles. A dramatic improvement in wetting is observed at a temperature of $\approx$ 1040 K (apparently, due to the destruction of oxide films). This results in a thermal explosion, and the Nb$_2$Al phase is formed. The reaction during the thermal explosion also follows the dissolution-crystallization mechanism.
Received: 17.12.1998
Accepted: 26.04.1999
English version:
Combustion, Explosion and Shock Waves, 2000, Volume 36, Issue 2, Pages 198–203
DOI: https://doi.org/10.1007/BF02699360
Bibliographic databases:
Document Type: Article
UDC: 546
Language: Russian
Citation: E. B. Pismenskaya, A. S. Rogachev, V. I. Ponomarev, “Macrokinetics of thermal explosion in a niobium-aluminum system. II. Phase-formation dynamics”, Fizika Goreniya i Vzryva, 36:2 (2000), 45–50; Combustion, Explosion and Shock Waves, 36:2 (2000), 198–203
Citation in format AMSBIB
\Bibitem{PisRogPon00}
\by E.~B.~Pismenskaya, A.~S.~Rogachev, V.~I.~Ponomarev
\paper Macrokinetics of thermal explosion in a niobium-aluminum system. II.~Phase-formation dynamics
\jour Fizika Goreniya i Vzryva
\yr 2000
\vol 36
\issue 2
\pages 45--50
\mathnet{http://mi.mathnet.ru/fgv2181}
\elib{https://elibrary.ru/item.asp?id=17297897}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2000
\vol 36
\issue 2
\pages 198--203
\crossref{https://doi.org/10.1007/BF02699360}
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    Citing articles in Google Scholar: Russian citations, English citations
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