Thermodynamic assessment of the Cu-Fe-O systemстатья
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Дата последнего поиска статьи во внешних источниках: 7 октября 2020 г.
Авторы:
Khvan A.V. ,
Fabrichnaya O.B. ,
Savinykh G. ,
Adam R. ,
Seifert H.J.
Журнал:
Journal of Phase Equilibria and Diffusion
Том:
32
Номер:
6
Год издания:
2011
Издательство:
ASM International
Местоположение издательства:
United States
Первая страница:
498
Последняя страница:
511
DOI:
10.1007/s11669-011-9951-5
Аннотация:
The system Cu-F-O was assessed with CALPHAD technique using computerized optimization procedure (PARROT). Two solid phases CuFe 2O 4 and Fe 3O 4 forming solid solution at high temperatures were modeled with compound energy formalism. Presence of Cu 1+ on tetrahedral sites in the samples with compositions close to CuFe 5O 8 reported in the literature was taken into account. The second ternary compound, CuFeO 2, was modeled as a stoichiometric phase. For the liquid phase, an ionic two-sublattice model was used. In total 17 adjustable parameters were optimized (9 for the spinel phase, 2 for the delafossite and 6 for the liquid phase) to describe the experimental data. The consistent dataset, which gives a description of the properties from 923 to 1273 K, was obtained. © ASM International.
Добавил в систему:
Хван Александра Вячеславовна