Abstract
The microstructure, phase composition, and resistance to oxidation upon heating in air in the temperature range of 600–1100°С for composites synthesized in the gasless combustion mode of reactive powder mixtures of titanium, aluminum, and silicon have been studied. Silicide Ti5Si3 and titanium trialuminide TiAl3 were synthesized from two-component mixtures. The combustion products of ternary mixtures contain Ti5Si3 and TiAl3, the ratio of which depends on the aluminum content in the reaction mixtures. The scale resistance of the synthesized powder composites is determined to a greater extent by the microstructure of the granules than by their phase composition. The composition was determined of the reaction powder mixture, the combustion products of which have a scale resistance 1.5–3 times higher than the combustion products of the other studied compositions.
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The work was performed according to Government research assignment for ISPMS SB RAS, project FWRW-2021-0005.
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Pribytkov, G.A., Korzhova, V.V., Firsina, I.A. et al. Scale Resistance of Titanium Silicide Ti5Si–Titanium-Aluminide TiAl3 Powder Composites. Prot Met Phys Chem Surf 59, 265–271 (2023). https://doi.org/10.1134/S2070205123700223
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DOI: https://doi.org/10.1134/S2070205123700223