Abstract
Experimental dependences of the combustion velocity on the size of titanium particles for powder and granular mixtures of 5Ti + 3Si, Ti + Cam, (Ti + Cam) + 20% Cu, (Ti + Cam) + 20% Ni, Ti + Ccr (with amorphous carbon in the form of soot and with crystalline carbon in the form of graphite) were compared. The results of experiments were explained by the retarding effect of impurity gases in powder mixtures when the conditions of warming up the particles before the combustion front were met. For all the studied granular mixtures, where the influence of impurity gases on the combustion velocity was leveled, analytical dependences of the combustion velocity on the size of titanium particles were in good agreement with the conclusions of the convective–conductive combustion model.
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Seplyarskii, B.S., Kochetkov, R.A. & Lisina, T.G. Structural Macrokinetics of Combustion of Ti-Based Mixtures with Titanium Particles of Different Sizes. Int. J Self-Propag. High-Temp. Synth. 32, 233–238 (2023). https://doi.org/10.3103/S106138622303010X
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DOI: https://doi.org/10.3103/S106138622303010X