, Volume 40, Issue 2, pp 166-171

Gasless Combustion of Ti–Al Bimetallic Multilayer Nanofoils

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Ti–Al multilayer foils were produced magnetron vacuum deposition. The microstructure period varied in the range of 5–110 nm, the number of layers was 150–4700, and the total thickness of a multilayer foil reached 15–20 μm. The gasless combustion of the foils was studied. Steady‐state and pulsating combustion regimes were revealed; combustion temperatures were determined for both regimes. It was shown that the most probable mechanism of the self‐propagating reaction is the diffusion of Al in β‐Ti at a temperature close to the temperature of the α → β transition.