Journal
TECHNICAL PHYSICS LETTERS
Volume 43, Issue 5, Pages 466-469Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1063785017050157
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Funding
- Russian Science Foundation [16-13-00066]
- Russian Science Foundation [16-13-00066] Funding Source: Russian Science Foundation
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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 ultra-fine-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.
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