Thermal Stability of Ti6242S and Ti–6Al–7Nb Alloys

Thermal Stability of Ti6242S and Ti–6Al–7Nb Alloys

The mechanical properties and structure of Ti–6Al–2Sn–4Zr–2Mo–0.1Si (Ti6242S) and Ti–6Al–7Nb alloys subjected to annealing in air at 700°C for 100 h are studied. The Ti–6Al–7Nb alloy in the oxidized state is shown to retain plasticity; this fact was not observed for the other alloyed titanium compos...

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Veröffentlicht in:Russian metallurgy Metally 2022-10, Vol.2022 (10), p.1211-1217
Hauptverfasser: Kalienko, M. S., Zhelnina, A. V., Volkov, A. V., Panfilov, P. E.
Format: Artikel
Sprache:eng
Schlagworte:
Advanced Materials and Technologies
Annealing
Chemistry and Materials Science
Materials Science
Mechanical properties
Metallic Materials
Thermal stability
Titanium base alloys
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Zusammenfassung:The mechanical properties and structure of Ti–6Al–2Sn–4Zr–2Mo–0.1Si (Ti6242S) and Ti–6Al–7Nb alloys subjected to annealing in air at 700°C for 100 h are studied. The Ti–6Al–7Nb alloy in the oxidized state is shown to retain plasticity; this fact was not observed for the other alloyed titanium compositions. The cause for such mechanical behavior of the Ti–6Al–7Nb alloy is related to the substantially lower gas saturation of its surface during annealing.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S003602952210010X