Phase stability of a γ-TiAl based alloy upon annealing: comparison between experiment and thermodynamic calculations

Experimental results focusing on changes in type and composition of constituting phases of a γ-TiAl sheet material exhibiting a fine-grained microstructure which has been has been exposed to 700 and 800 °C for up to 10,000 h in air furnaces have been successfully verified by thermodynamic equilibriu...

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Bibliographic Details
Published in:	Scripta materialia Vol. 49; no. 4; pp. 279 - 284
Main Authors:	Beschliesser, M., Clemens, H., Kestler, H., Jeglitsch, F.
Format:	Journal Article
Language:	English
Published:	New York, NY Elsevier Ltd 01-08-2003 Elsevier Science
Subjects:	Analytical electron microscopy Annealing Applied sciences CALPHAD Cross-disciplinary physics: materials science; rheology Exact sciences and technology Laves phase Materials science Metals. Metallurgy Physics Solid solution hardening, precipitation hardening, and dispersion hardening; aging Solid solution, precipitation, and dispersion hardening; aging Titanium aluminides Treatment of materials and its effects on microstructure and properties CALPHAD Annealing Analytical electron microscopy Titanium aluminides Laves phase Aluminides Transmission electron microscopy Aluminium alloys Intermetallic compounds Electron diffraction Thermodynamic analysis Phase stability Experimental study Thermal annealing Heat treatments Titanium base alloys
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Summary:	Experimental results focusing on changes in type and composition of constituting phases of a γ-TiAl sheet material exhibiting a fine-grained microstructure which has been has been exposed to 700 and 800 °C for up to 10,000 h in air furnaces have been successfully verified by thermodynamic equilibrium calculations.
ISSN:	1359-6462 1872-8456
DOI:	10.1016/S1359-6462(03)00293-8