Abstract
A compact material based on initial powders of titanium and aluminum (porosity <1%) was obtained by unrestricted SHS-compression. This method combines combustion processes in the mode of self-propagating high-temperature synthesis (combustion temperature – 1460 °C, combustion front propagation – 3.7 mm/s) and high-temperature shear deformation. The obtained material structure and phase composition were studied. The high-temperature shear deformation was shown to lead to textured structure of the material which consisted of alternating intermetallic phases in the following sequence: α2-Ti3Al, γ-TiAl, TiAl2 и TiAl3. Influence of high-temperature annealing at T = 1000 °C during 0.5–4 h on the material structure and phase composition was studied.
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