Effect of additional hydrogen alloying on the formation of the phase composition and structure of a Ti-8.3Al-2.1Mo-2.2Zr-0.2Si titanium alloy |
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Authors: | A. A. Il’in S. V. Skvortsova V. V. Zasypkin V. S. Spector O. N. Gvozdeva |
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Affiliation: | 1.Tsiolkovskii Russian State Technological University MATI,Moscow,Russia |
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Abstract: | The effect of additional hydrogen alloying on the formation of the phase composition and structure of a titanium alloy with a high aluminum content is studied. It is shown that an α2 + β structure can be developed under certain temperature-concentration conditions. The phase composition-hydrogen concentration-hydrogenation annealing temperature diagram has been constructed. It shows a change in the phase composition of a Ti-8.3Al-2.1Mo-2.2Zr-0.2Si alloy as a function of the hydrogenation annealing temperature and the hydrogen content after cooling to a normal temperature at a rate higher than the first critical rate. |
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