Influence of heat treatment on improvement of mechanical properties of welded joints of sparsely-doped titanium alloy Ti–2. 8Al–5. 1Mo–4. 9Fe - S. V. Akhonin; Yu. Bilous; V. A. Kostin; S. H. Hryhorenko; O. L. Puzrin; E. L. Vrzhyzhevskyi (Automatic Welding, 2022)