Processes of decomposition of metastable β-phase in quenched alloys Ti – 40% Nb – (5 – 9)% Zr during aging at 400 and 500°C are studied. The time intervals of precipitation of second phases (α and ω) are determined. The effect of 5 – 9 wt.% zirconium alloying on the variation of the structure, phase composition and properties of the alloys after quenching and aging is analyzed. The impact of additional plastic deformation by rolling after the quenching on the shift of the temperature intervals of precipitation of second phases under subsequent aging of the alloys is considered.
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Here and below in the text the content of elements is given in weight percent.
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The work has been performed within State Assignment of the Ministry of Science and Higher Education of the Russian Federation (topic No. 0836-2020-0020).
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 45 – 50, September, 2022.
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Popov, A.A., Petrov, R.I., Popov, N.A. et al. Effect of Zirconium Alloying on the Structure and Properties of Alloys of the Ti – 40% Nb System. Met Sci Heat Treat 64, 516–521 (2023). https://doi.org/10.1007/s11041-023-00844-y
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DOI: https://doi.org/10.1007/s11041-023-00844-y