Specific features of the oxidation of complex titanium alloys in the as-cast and recrystallized states

We study the heat resistance of complex titanium alloys with 4.5–11 wt.% Al in the as-cast and recrystallized states at a temperature of 800°C for 50 h. It is shown that the procedure of alloying has the same influence on the as-cast and recrystallized metals, and the initial structure affects the k...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2008-05, Vol.44 (3), p.435-440
Main Authors: Poryadchenko, N. Yu, Oryshych, I. V., Kuz’menko, M. M., Khmelyuk, N. D., Holovkova, M. E., Kulak, L. D., Brodnikovs’kyi, M. P.
Format: Article
Language:English
Subjects:
Adhesive strength
Alloying
Aluminum
Characterization and Evaluation of Materials
Chemistry and Materials Science
Grounds
Materials Science
Oxidation
Oxide coatings
Solid Mechanics
Structural Materials
Thermal resistance
Titanium base alloys
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Summary:We study the heat resistance of complex titanium alloys with 4.5–11 wt.% Al in the as-cast and recrystallized states at a temperature of 800°C for 50 h. It is shown that the procedure of alloying has the same influence on the as-cast and recrystallized metals, and the initial structure affects the kinetics of oxidation of the latter. In this case, the ground recrystallized structure promotes the formation of oxide films with high adhesive strength guaranteeing high levels of the heat resistance of the alloy for long periods of holding.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-008-9095-x