V. N. Chuvil’deev, V. I. Kopylov, A. V. Nokhrin, A. M. Bakhmet'ev, N. G. Sandler, N. A. Kozlova, P. V. Tryaev, N. Yu. Tabachkova, A. S. Mikhailov, A. V. Ershova, M. Yu. Gryaznov, M. K. Chegurov, A. N. Sysoev, E. S. Smirnova, “Simultaneous increase in the strength, plasticity, and corrosion resistance of an ultrafine-grained Ti–4Al–2V pseudo-alpha-titanium alloy”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2017, Volume 43, Issue 10,Pages <nobr>25

This article is cited in 7 papers

Simultaneous increase in the strength, plasticity, and corrosion resistance of an ultrafine-grained Ti–4Al–2V pseudo-alpha-titanium alloy

V. N. Chuvil’deev^a, V. I. Kopylov^ab, A. V. Nokhrin^a, A. M. Bakhmet'ev^c, N. G. Sandler^c, N. A. Kozlova^a, P. V. Tryaev^c, N. Yu. Tabachkova^d, A. S. Mikhailov^c, A. V. Ershova^c, M. Yu. Gryaznov^a, M. K. Chegurov^a, A. N. Sysoev^a, E. S. Smirnova^a

^a National Research Lobachevsky State University of Nizhny Novgorod
^b Physicotechnical Research Institute, National Academy of Sciences of Belarus, Minsk, Belarus
^c I. I. Afrikantov Experimental Design Bureau of Mechanical Engineering, Nizhny Novgorod, Russia
^d National University of Science and Technology «MISIS», Moscow

Abstract: The influence of severe plastic deformation on the structural-phase state of grain boundaries in a Ti–4Al–2V (commercial PT3V grade) pseudo-alpha-titanium alloy has been studied. It is established that increase in the strength, plasticity, and corrosion resistance of this alloy is related to the formation of an ultrafine- grained structure. In particular, it is shown that an increase in the resistance to hot-salt intergranular corrosion is due to diffusion-controlled redistribution of aluminum and vanadium atoms at the grain boundaries of titanium formed during thermal severe plastic deformation.

Received: 24.11.2016

DOI: 10.21883/PJTF.2017.10.44617.16580