Experimental phase diagram determination and thermodynamic assessment of the Gd2O3–CoO system / T. Ivas in Acta materialia, Vol. 58 N° 12 (Juillet 2010)  

Public ISBD [article]  inActa materialia > Vol. 58 N° 12 (Juillet 2010) . - pp. 4077–4087 Titre : Experimental phase diagram determination and thermodynamic assessment of the Gd2O3–CoO system Type de document : texte imprimé Auteurs : T. Ivas, Auteur ; A.N. Grundy, Auteur ; E. Povoden, Auteur Année de publication : 2011 Article en page(s) : pp. 4077–4087 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : GdCoO3 Solid solubilities (Gd2O3, CoO) SOFC CALPHAD Résumé : New phase diagram data and a thermodynamic assessment of the Gd2O3–CoO system using the CALPHAD approach are presented, giving liquidus data and mutual solid solubilities of Co in Gd2O3 and Gd in CoO. The thermodynamic model parameters for the ternary Gd–Co–perovskite phase and for the mutual solid solubilities of Co in Gd2O3 and Gd in CoO are optimized to reproduce these new experimental data, as well as phase diagram data from literature. The Gd2O3–CoO phase diagram is refined based on the results of experiments using combined differential thermal analysis and thermogravimetry, scanning electron microscopy and X-ray diffraction techniques. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645410001643 [article] Experimental phase diagram determination and thermodynamic assessment of the Gd2O3–CoO system [texte imprimé] / T. Ivas, Auteur ; A.N. Grundy, Auteur ; E. Povoden, Auteur . - 2011 . - pp. 4077–4087. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 12 (Juillet 2010) . - pp. 4077–4087 Mots-clés : GdCoO3 Solid solubilities (Gd2O3, CoO) SOFC CALPHAD Résumé : New phase diagram data and a thermodynamic assessment of the Gd2O3–CoO system using the CALPHAD approach are presented, giving liquidus data and mutual solid solubilities of Co in Gd2O3 and Gd in CoO. The thermodynamic model parameters for the ternary Gd–Co–perovskite phase and for the mutual solid solubilities of Co in Gd2O3 and Gd in CoO are optimized to reproduce these new experimental data, as well as phase diagram data from literature. The Gd2O3–CoO phase diagram is refined based on the results of experiments using combined differential thermal analysis and thermogravimetry, scanning electron microscopy and X-ray diffraction techniques. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645410001643

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