Influence of the Initial Structure on Nitriding of VT22 Titanium Alloy

We study the process of nitriding of VT22 titanium alloy with different initial structural state (coarse- and fine-grained structures) at temperatures of 750, 800, and 850°С, for holding times of up to 8 h, and under a nitrogen pressure of 10 5 Pa. It is shown that the initial structural state of th...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2020-03, Vol.55 (5), p.737-744
Main Authors: Luk’yanenko, О. H., Pohrelyuk, I. М., Kravchyshyn, T. М., Trush, V. S.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Materials Science
Nitrides
Nitriding
Solid Mechanics
Specialty metals industry
Structural Materials
Titanium
Titanium alloys
Titanium base alloys
Titanium industry
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Summary:We study the process of nitriding of VT22 titanium alloy with different initial structural state (coarse- and fine-grained structures) at temperatures of 750, 800, and 850°С, for holding times of up to 8 h, and under a nitrogen pressure of 10 5 Pa. It is shown that the initial structural state of the alloy affects the kinetics of interaction with nitrogen, the process of growth of the hardened subsurface zone, and the formation and properties of surface nitride films.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-020-00366-5