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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/3633

Title: In Situ Diffraction Experiments for the Investigation of Phase Fractions and Ordering Temperatures in Ti-44 at% Al-(3-7) at% Mo Alloys
Authors: Schmoelzer, T
Mayer, S
Sailer, C
Haupt, F
Guther, V
Staron, P
Liss, KD
Clemens, H
Keywords: X-ray Diffraction
Transition Temperature
Phase Transformations
Molybdenum
Titanium alloys
Synchrotron Radiation
Issue Date: 1-Apr-2011
Publisher: WILEY-BLACKWELL
Citation: Schmoelzer, T., Mayer, S., Sailer, C., Haupt, F., Guther, V., Staron, P.,; Liss, K.D., Clemens, H. (2011). In Situ Diffraction Experiments for the Investigation of Phase Fractions and Ordering Temperatures in Ti-44 at% Al-(3-7) at% Mo Alloys. Advanced Engineering Materials, 13(4), 306-311.
Abstract: Being a strong beta stabilizer, Mo has gained importance as an alloying element for so-called beta/gamma-TiAl alloys. Intermetallic TiAl-based alloys which contain a significant volume fraction of the body-centered cubic beta-phase at elevated temperatures have proven to exhibit good processing characteristics during hot-working. Unfortunately, the effect of Mo on the appearing phases and their temperature dependence is not well known. In this work, sections of the Ti-Al-Mo ternary phase diagram derived from thermodynamic calculations as well as experimental data are presented. The phase transition temperatures stated in these phase diagrams are compared with the results of high-temperature diffraction studies using high-energy synchrotron radiation. Additionally, the disordering temperature of the beta(o)-phase is determined. © 2011, Wiley-Blackwell. The definitive version is available at www3.interscience.wiley.com
URI: http://dx.doi.org/10.1002/adem.201000263
http://apo.ansto.gov.au/dspace/handle/10238/3633
ISSN: 1438-1656
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