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ANSTO Publications Online >
Journal Publications >
Journal Articles >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/1336
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| Title: | In and ex situ investigations of the β-phase in a Nb and Mo containing gamma-TiAl based alloy. |
| Authors: | Clemens, H Chladil, HF Wallgram, W Zickler, GA Gerling, R Liss, KD Kremmer, S Guther, V Smarslyg, W |
| Keywords: | Titanium Niobium Molybdenum Aluminium In-Situ Processing Alloys |
| Issue Date: | Jun-2008 |
| Publisher: | Elsevier |
| Citation: | Clemens, H., Chladil, H. F., Wallgram, W., Zickler, G. A., Gerling, R., Liss, K. D., et al. (2008). In and ex situ investigations of the β-phase in a Nb and Mo containing gamma-TiAl based alloy. Intermetallics, 16(6), 827-833. |
| Abstract: | In β-stabilized Ti-43Al-4Nb-1Mo-0.1B alloy (composition in atomic percent) the correlation between the occurrence of β-phase and temperature was analyzed experimentally and compared to thermodynamic calculations. Results from in situ high-energy X-ray diffraction, texture measurements, heat treatments, scanning electron microscopy, and temperature-dependent flow stress measurements were used to study the evolution of the β-phase with temperature. Thermodynamic calculations based on the CALPHAD method were applied to correlate the phases developed in the β-solidifying TiAl based alloy under investigation. This alloy is characterized by an adjustable β-phase volume fraction at temperatures where hot-work processes such as forging and rolling are conducted. Due to a high volume fraction of β-phase at elevated temperatures the hot-extruded alloy can be forged under near conventional conditions. © 2008, Elsevier Ltd. |
| URI: | http://dx.doi.org/10.1016/j.intermet.2008.03.008 http://apo.ansto.gov.au/dspace/handle/10238/1336 |
| ISSN: | 0966-9795 |
| Appears in Collections: | Journal Articles |
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