Abstract
The work is devoted to obtaining homogeneous alloys Ti – 10 Nb – (1 – 3) Mo (at.%) due to multiple remelting and homogenization annealing, and semi-finished products in the form of plates for further research. Metallographic studies of the obtained materials were carried out in the cast, rolled and annealed state. The effect of annealing and composition on the structure, phase composition, and mechanical properties of the Ti – 10 Nb – (1 – 3) Mo alloy has been revealed. Homogeneity after smelting is achieved by annealing at 950 °C for 12 hours. An increase in the Mo content in the Ti – 10 Nb – (1 – 3) Mo alloy leads to an increase in the strength of the alloys, while ductility decreases. Obtaining high strength characteristics in the selected alloys is associated with the development of annealing parameters after plastic deformation, namely, with the control of the size of recrystallized grains and the separation of α- and β-phases. In addition to α-Ti and β-Ti, ω-Ti is present in the samples in an insignificant amount, which leads to a sharp increase in the hardness of the samples.
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