期刊
ADVANCED ENGINEERING MATERIALS
卷 13, 期 4, 页码 306-311出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201000263
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资金
- DESY management, User Office
- European Community [226716]
- BMBF, Germany [O3X3530A]
- Styrian Materials Cluster, Austria
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.
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