2015-Sustainable Industrial Processing Summit
SIPS 2015 Volume 8: Composite & Ceramic, Quasi-crystals and Nanomaterials

Editors:Kongoli F, Pech-Canul M, Kalemtas A, Werheit H
Publisher:Flogen Star OUTREACH
Publication Year:2015
Pages:300 pages
ISBN:978-1-987820-31-7
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)
CD-SIPS2015_Volume
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    Phase Relations Investigation on the Ln2O3-BaO (Ln=La, Nd, Sm) Binary Systems

    Weiping Gong1;
    1HUIZHOU UNIVERSITY, Huizhou, China;
    Type of Paper: Regular
    Id Paper: 66
    Topic: 8

    Abstract:

    This paper performed thermodynamic calculations on the Ln2O3-BaO (Ln=La, Nd, Sm) binary system by CALPHAD approach. A regular substitution solution model was adopted to describe the liquid phase. The Neumann-Kopp rule was used to describe the compounds existing in the systems. The compounds were treated as stoichiometric. The thermodynamic parameters for each phase in the Ln2O3-BaO system were reassessed by using available experimental information on phase diagram and thermodynamic properties, which were used to calculate the phase diagram and thermodynamic properties of the Ln2O3-BaO system. Comparisons between the present calculations with the literature data showed that all reliable experimental information was satisfactorily accounted for by the present thermodynamic description. The discrepancy from the literature calculation is also illustrated.

    Keywords:

    Ceramic; Modeling;

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    Cite this article as:

    Gong W. Phase Relations Investigation on the Ln2O3-BaO (Ln=La, Nd, Sm) Binary Systems. In: Kongoli F, Pech-Canul M, Kalemtas A, Werheit H, editors. Sustainable Industrial Processing Summit SIPS 2015 Volume 8: Composite & Ceramic, Quasi-crystals and Nanomaterials. Volume 8. Montreal(Canada): FLOGEN Star Outreach. 2015. p. 113-114.