Abstract
The process of nitration of aluminum and aluminum‐containing mixtures in the regime of self‐propagating high‐temperature synthesis with a high pressure (up to 300 MPa) of the reacting gas (nitrogen) is considered. The dependences of ignition temperatures and also burning temperatures and burning rates of these initial mixtures on test conditions (nitrogen pressure and composition of the initial mixture) are studied. The dependence of the burning rate of initial mixtures on factors affecting spreading of the liquid component (melt containing aluminum and nitrogen) over the surface of the second component (aluminum nitride or titanium diboride), such as the equilibrium wetting angle, interaction at the interface, and melting of the second component, is studied. The microstructure and some properties of materials obtained are examined. Based on these studies, the combustion mechanism is determined, a mechanism of phase formation in combustion of these mixtures is suggested, and the structure of the combustion wave is determined.
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Loryan, V.É., Borovinskaya, I.P. Aluminum Combustion in Nitrogen. Combustion, Explosion, and Shock Waves 39, 525–533 (2003). https://doi.org/10.1023/A:1026105600954
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DOI: https://doi.org/10.1023/A:1026105600954