Abstract—Scanning electron microscopy, electron microprobe and X-ray diffraction analyses, and durometry are used to study changes in the structure, phase composition, and hardness of a quenched titanium Ti‒10V–2Fe–3Al alloy in the course of aging at 500°С for 2–32 h. A complex analysis of changes in the lattice parameters of the primary and secondary α phases formed in the alloy during aging has been performed for the first time using full-profile X-ray diffraction analysis. Aging-induced changes in the hardness of the alloy are shown to be determined both by the sizes of formed secondary α-phase particles and changes in the alloying of the matrix β solid solution.
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Funding
The study was supported by the Russian Federation Government Program no. 211 for supporting leading Russian universities, which is aimed at enhancing their competitiveness, project no. 02.А03.21.0006.
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Translated by N. Kolchugina
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Zhelnina, A.V., Kalienko, M.S., Illarionov, A.G. et al. Transformation of the Structure and Parameters of Phases during Aging of a Titanium Ti–10V–2Fe–3Al Alloy and Their Relation to Strengthening. Phys. Metals Metallogr. 121, 1220–1226 (2020). https://doi.org/10.1134/S0031918X20120133
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DOI: https://doi.org/10.1134/S0031918X20120133