10 research outputs found

    Thermodynamic optimization of the Ca-Fe-O System

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    The present study deals with the thermodynamic optimization of the Ca-Fe-O system. All available phase equilibrium and thermodynamic experimental data are critically assessed to obtain a self-consistent set of model parameters for the Gibbs energies of all stoichiometric and solution phases. Model predictions of the present study are compared with previous assessments. Wüstite and lime are described as one monoxide solution with a miscibility gap, using the random mixing Bragg-Williams model. The solubility of CaO in the “FeO” magnetite (spinel) phase is described using the sublattice model based on the Compound Energy Formalism. The effect of CaO on the stability of the spinel phase is evaluated. The liquid CaO-FeO-FeO slag is modeled using the Modified Quasichemical Formalism. Liquid metal phase is described as a separate solution by an associate model

    Niere bei Tumoren, Blutkrankheiten und Paraproteinämien

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