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Microstructure and mechanical properties of directionally solidified high-Nb containing Ti–Al alloys

Duan, Qiuqi / Luan, Qingdong / Liu, Jing / Peng, Liangming

AbstractTwo high-Nb containing Ti–Al alloys, Ti–16Al–8Nb and Ti–16Al–8Nb–1Sn were fabricated using directional solidification. Their microstructures and mechanical properties at both room and high temperatures were studied. Results showed that the addition of 1% Sn promoted the formation of laths and contributed remarkably to the enhancement in room-temperature strength and high temperature ductility of Ti–Al alloy. The alloys exhibited the feature of quasi-cleavage fracture at room temperature and they experienced significant plastic deformation at high temperatures.

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Microstructure and mechanical properties of directionally solidified high-Nb containing Ti–Al alloys

Duan, Qiuqi / Luan, Qingdong / Liu, Jing / Peng, Liangming

AbstractTwo high-Nb containing Ti–Al alloys, Ti–16Al–8Nb and Ti–16Al–8Nb–1Sn were fabricated using directional solidification. Their microstructures and mechanical properties at both room and high temperatures were studied. Results showed that the addition of 1% Sn promoted the formation of laths and contributed remarkably to the enhancement in room-temperature strength and high temperature ductility of Ti–Al alloy. The alloys exhibited the feature of quasi-cleavage fracture at room temperature and they experienced significant plastic deformation at high temperatures.

Microstructure and mechanical properties of directionally solidified high-Nb containing Ti–Al alloys

Duan, Qiuqi / Luan, Qingdong / Liu, Jing / Peng, Liangming

AbstractTwo high-Nb containing Ti–Al alloys, Ti–16Al–8Nb and Ti–16Al–8Nb–1Sn were fabricated using directional solidification. Their microstructures and mechanical properties at both room and high temperatures were studied. Results showed that the addition of 1% Sn promoted the formation of laths and contributed remarkably to the enhancement in room-temperature strength and high temperature ductility of Ti–Al alloy. The alloys exhibited the feature of quasi-cleavage fracture at room temperature and they experienced significant plastic deformation at high temperatures.

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Title:

Microstructure and mechanical properties of directionally solidified high-Nb containing Ti–Al alloys

Contributors:

Duan, Qiuqi (author) / Luan, Qingdong (author) / Liu, Jing (author) / Peng, Liangming (author)

Publication date:

2010-02-11

Size:

5 pages

ISSN:

DOI:

https://doi.org/10.1016/j.matdes.2010.02.022

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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