Thermodynamic investigation of Fe-Ti-Y ternary system

An extensive investigation on the Fe-Ti-Y system was performed via experimental measurement and thermodynamic calculation. The Fe-Ti-Y ternary couples at 1 273 K were prepared with a desire to provide accurate phase relationships needed for the refinement of this ternary phase diagram. And a tentati...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2009-02, Vol.19 (1), p.199-204
Main Author: 龚伟平 陈腾飞 李大建 刘咏
Format: Article
Language:English
Subjects:
diffusion couple
Fe 11TiY
Fe-Ti-Y
thermodynamic calculation
金属合金
金属学
铝合金
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Summary:An extensive investigation on the Fe-Ti-Y system was performed via experimental measurement and thermodynamic calculation. The Fe-Ti-Y ternary couples at 1 273 K were prepared with a desire to provide accurate phase relationships needed for the refinement of this ternary phase diagram. And a tentative isothermal section of Fe-Ti-Y at 1 273 K was built based on the experimental information. In the thermodynamic modeling, the thermodynamic parameters for the Ti-Y binary system and the ternary phase in the Fe-Ti-Y system were evaluated. Those for the Fe-Ti and Fe-Y systems from literature were slightly modified for the compatibility. The isothermal sections of Fe-Ti-Y ternary system at 873 K and 1 273 K were calculated. The ternary compound FellTiY and Fe2（Ti, Y） solid solution formed from Fe2Ti and Fe2Y are detected, which is in good agreement with the literature information.
ISSN:1003-6326
DOI:10.1016/S1003-6326(08)60252-6