Simultaneous increase in the strength, plasticity, and corrosion resistance of an ultrafine-grained Ti–4Al–2V pseudo-alpha-titanium alloy
| Autor: | N. A. Kozlova, M. Yu. Gryaznov, M. K. Chegurov, A. V. Ershova, P. V. Tryaev, E. S. Smirnova, A. M. Bakhmet’ev, A. S. Mikhailov, V. I. Kopylov, A. V. Nokhrin, V. N. Chuvil’deev, N. Yu. Tabachkova, N. G. Sandler, A. N. Sysoev |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
6111 aluminium alloy Materials science Physics and Astronomy (miscellaneous) 020502 materials Metallurgy Alloy Titanium alloy chemistry.chemical_element 02 engineering and technology Intergranular corrosion engineering.material 01 natural sciences Corrosion 0205 materials engineering chemistry 0103 physical sciences engineering Grain boundary Severe plastic deformation Titanium |
| Zdroj: | Technical Physics Letters. 43:466-469 |
| ISSN: | 1090-6533 1063-7850 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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