Study on long-term stability of Ti sub(3)Al-Nb-V-Mo alloy

Study on long-term stability of Ti sub(3)Al-Nb-V-Mo alloy

Thermomechanically processed Ti-24Al-14Nb-3V-0.5Mo (atomic percentage) alloy was studied. It has been shown that, during long-term exposure below 750 degree C, the microstructure and the property of the alloy have higher stability. When exposed at 850 degree C, the microstructure is coarsened and, t...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1992-01, Vol.A153 (1-2 pt 2), p.422-426
Hauptverfasser: Wang, Bin, Jia, Tiancong, Zou, Dunxu, Ma, Huiping, Zhong, Zengyong
Format: Artikel
Sprache:eng
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Zusammenfassung:Thermomechanically processed Ti-24Al-14Nb-3V-0.5Mo (atomic percentage) alloy was studied. It has been shown that, during long-term exposure below 750 degree C, the microstructure and the property of the alloy have higher stability. When exposed at 850 degree C, the microstructure is coarsened and, thus, the properties are changed. Additional precipitation of the O phase in fine and dispersive forms is beneficial to increase the ductility and the strength of the alloy.
ISSN:0921-5093