Abstract
MgAlON were prepared by self-propagation high temperature synthesis (SHS) using powder and granular mixtures of aluminum, aluminum oxide, magnesium oxide, and magnesium perchlorate. The influence of granulation of starting particles of Al + Al2O3 + MgO + Mg(ClO4)2 powder mixtures on the microstructure and phase composition of combustion products was studied. It was revealed that the granulation of mixtures reduces the combustion temperature and burning velocity. It was found that the combustion products derived from granular mixtures consists of up to four phases (MgAlON, aluminum oxide, aluminum nitride, and unreacted aluminum), while the products of powder mixtures are represented by single MgAlON phase.
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The study was supported by the Russian Science Foundation, project no. 22-79-00045.
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Abzalov, D.I., Akopdzhanyan, T.G., Abzalov, N.I. et al. Granulation Effect on Chemically Activated SHS of MgAlON. Int. J Self-Propag. High-Temp. Synth. 32, 338–343 (2023). https://doi.org/10.3103/S1061386223040106
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DOI: https://doi.org/10.3103/S1061386223040106