Thermodynamic Description of the Ti-Al-O System Based on Experimental Data

Phase equilibria of the TiO 2 -Al 2 O 3 system were investigated experimentally using XRD, SEM/EDX and DTA methods. Temperature stability limits of the aluminum titanate (Al 2 TiO 5 ) were detected. The thermodynamic parameters of the liquid phase as well as solid solution phases were assessed by CA...

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Bibliographic Details
Published inJournal of phase equilibria and diffusion Vol. 38; no. 3; pp. 175 - 184
Main Authors Ilatovskaia, Mariia, Savinykh, Galina, Fabrichnaya, Olga
Format Journal Article
LanguageEnglish
Published New York Springer US 01.06.2017
Springer Nature B.V
Subjects
Alloys
Alumina-Titanium
Aluminum oxide
Ceramics
Composites
Computer simulation
Crystallography and Scattering Methods
Data base management systems
Engineering Thermodynamics
Glass
Heat and Mass Transfer
Metallic Materials
Natural Materials
Phase equilibria
Phase transitions
Physics
Physics and Astronomy
Thermal analysis
Thermodynamics
Titanium oxides
ceramics
thermodynamic modelling
phase diagram
Ti-Al-O
aluminum titanate
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Summary:Phase equilibria of the TiO 2 -Al 2 O 3 system were investigated experimentally using XRD, SEM/EDX and DTA methods. Temperature stability limits of the aluminum titanate (Al 2 TiO 5 ) were detected. The thermodynamic parameters of the liquid phase as well as solid solution phases were assessed by CALPHAD approach using obtained experimental results. The thermodynamic data for the Ti-Al, Al-O and Ti-O systems and available experimental data for the Ti-Al-O system were critically evaluated and optimized to develop database of the Ti-Al-O system.
ISSN:1547-7037
1863-7345
1934-7243
DOI:10.1007/s11669-016-0509-4