Sagar, PK and Prasad, YVRK (1998) Hot deformation and microstructural evolution in an alpha(2)/O titanium aluminide alloy Ti-25Al-15Nb. In: Zeitschrift für Metallkunde, 89 (6). pp. 433-441.
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Deformation processing and microstructural development of an alpha(2)/O aluminide alloy Ti-25Al-15Nb (at.%) was studied in the temperature range of 950 to 1200 degrees C and strain rate range of 10(-3) to 100 s(-1). Regions of processing and instability were identified using dynamic materials model. Dynamic recrystallization (DRX) of alpha(2)/O phase and p phase were seen to occur in the region of 950 to 1050 degrees C/0.001 to 0.05 s(-1) and 1125 to 1175 degrees C/0.001 to 0.1 s(-1), respectively. Unstable flow was seen to occur in the region of 1050 to 1190 degrees C/10 to 100 s(-1). Thermal activation analysis showed that DRX of alpha(2)/O and beta was controlled by cross-slip.
| Item Type: | Journal Article |
|---|---|
| Publication: | Zeitschrift für Metallkunde |
| Publisher: | Carl Hanser Verlag |
| Additional Information: | Copyright of this article belongs to Carl Hanser Verlag. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 09 Jun 2011 07:14 |
| Last Modified: | 09 Jun 2011 07:14 |
| URI: | http://eprints.iisc.ac.in/id/eprint/38115 |
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