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 2003-08, Vol.49 (4), p.279-284
Main Authors: Beschliesser, M., Clemens, H., Kestler, H., Jeglitsch, F.
Format: Article
Language:English
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
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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