Microstructure including changes in the phase composition and mechanical compression properties of the Ti–45Al–5Fe (at.%) intermetallic alloy manufactured by casting and subjected to homogenization annealing are investigated as functions of the temperature. The initial alloy has a homogeneous predominantly lamellar structure with relatively small size of colonies of three intermetallic phases: γ(TiAl), τ2(Al2FeTi), and α2(Ti3Al) in the approximate volume ratio 75:20:5. Compression tests have revealed the enhanced strength at room temperature and the improved hot workability at 800°C compared to those of TNM alloys of last generation.
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References
B. P. Bewlay, in: European Symposium on Superalloys and their Applications, Wildbad Kreuth (2010), pp. 25–28.
F. Appel, J. D. H. Paul, and M. Oehring, Science and Technology, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (2011).
R. Imayev, V. Imayev, M. Oehring, and F. Appel, Intermetallics, 15, 451–460 (2007).
H. Clemens and S. Mayer, Adv. Eng. Mater., 15, 191–215 (2013).
V. Imayev, T. Oleneva, R. Imayev, et al., Intermetallics, 26, 91–97 (2012).
J. Aguilar, A. Schievenbusch, and O. Kaettlitz, Intermetallics, 19, 757–761 (2011).
V. M. Imayev, R. M. Imayev, and T. I. Oleneva, Pis’ma Mater., 1, No. 1, 25–31 (2011).
R. M. Imayev, N. K. Gabdullin, G. A. Salishchev, et al., Acta Mater., 47, 1809–1821 (1999).
R. N. Eshchenko, O. A. Elkina, A. M. Patselov, and V. P. Pilyugin, Phys. Metals Metallogr., 102, 611–618 (2006).
M. Palm, A. Gorzel, D. Letzig, et al., Structural Intermetallics, M. V. Nathal, R. Darolia, C. T. Liu, et al. eds., TMS Publications Home, Warrendale (1997).
V. Raghavan, J. Phase Equilibria, 23, 367–374 (2002).
V. M. Imayev, T. G. Khismatullin, and R. M. Imayev, Phys. Met. Metallogr.+, 109, No. 4, 402–410 (2010).
L. Levin, A. Tokar, M. Talianker, and E. Evangelista, Intermetallics, 7, 1317–1322 (1999).
M. Palm, G. Inden, and N. Thomas, J. Phase Equilibria, 16, 209–222 (1995).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 52–56, June, 2015.
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Nazarova, T.I., Imayev, V.M. & Imayev, R.M. Microstructure and Mechanical Properties of the Ti–45Al–5Fe Intermetallic Alloy. Russ Phys J 58, 797–802 (2015). https://doi.org/10.1007/s11182-015-0571-0
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DOI: https://doi.org/10.1007/s11182-015-0571-0