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Fizika Goreniya i Vzryva, 2018, Volume 54, Issue 4, Pages 55–63
DOI: https://doi.org/10.15372/FGV20180407
(Mi fgv525)
 

This article is cited in 2 scientific papers (total in 2 papers)

Effect of a NiO additive on the interaction in a Ni–Al–W system in self-propagating high-temperature synthesis

A. S. Shchukin, A. E. Sytschev

Merzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, 142432, Russia
Abstract: The effect of a NiO additive on the combustion and structure formation in a Ni–Al–W system in self-propagating high-temperature synthesis (SHS) is under study. The stages of the combustion of compositions containing a NiO high-energy additive are shown. The interaction of W particles with Ni–Al melts during SHS results in the formation of globular decoration of particles on the basis of solid solutions of tungsten on the particle surface. This effect is observed only in compositions with an equimolar mixture of Ni–Al. Should the amount of 1 at.% be present in the original sample of the NiO additive, the globular decoration on the surface of unreacted W particles never occurs. This effect can be associated with changes in the combustion temperature, deviation of the NiAl phase in the direction of a larger content of Ni, and the influence of oxide phases on diffusion processes.
Keywords: propagating high-temperature synthesis (SHS), Ni–Al–W, phase formation, eutectic.
Received: 16.06.2017
Revised: 15.11.2017
English version:
Combustion, Explosion and Shock Waves, 2018, Volume 54, Issue 4, Pages 433–441
DOI: https://doi.org/10.1134/S001050821804007X
Bibliographic databases:
Document Type: Article
UDC: 536.74, 621.762.2
Language: Russian
Citation: A. S. Shchukin, A. E. Sytschev, “Effect of a NiO additive on the interaction in a Ni–Al–W system in self-propagating high-temperature synthesis”, Fizika Goreniya i Vzryva, 54:4 (2018), 55–63; Combustion, Explosion and Shock Waves, 54:4 (2018), 433–441
Citation in format AMSBIB
\Bibitem{ShcSyt18}
\by A.~S.~Shchukin, A.~E.~Sytschev
\paper Effect of a NiO additive on the interaction in a Ni--Al--W system in self-propagating high-temperature synthesis
\jour Fizika Goreniya i Vzryva
\yr 2018
\vol 54
\issue 4
\pages 55--63
\mathnet{http://mi.mathnet.ru/fgv525}
\crossref{https://doi.org/10.15372/FGV20180407}
\elib{https://elibrary.ru/item.asp?id=35155002}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2018
\vol 54
\issue 4
\pages 433--441
\crossref{https://doi.org/10.1134/S001050821804007X}
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  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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