Abstract

The variety of phase and structural transformations occurring in two-phase (α + β) titanium alloys in heat and deformation treatments yield articles with different combinations of mechanical properties. However, specific heat treatment regimes are often prescribed on the basis of empirical regularities based on practical experience rather than on data of a comprehensive analysis of phase and structural transformations. As a result, to apply the prescribed regimes of treatment to new alloys a great number of tests have to be conducted, which is laborious and material-consuming. This work is an attempt to substantiate scientifically the principles for prescribing heat treatment regimes proceeding from the regularities of the processes of decomposition of metastable phases in high-alloyed titanium alloys.

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