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Turchanin M.A. Dreval L.O. Agraval P.G. Korsun V.A. Vodopyanova A.O. 《Powder Metallurgy and Metal Ceramics》2022,60(11-12):727-737
Powder Metallurgy and Metal Ceramics - The thermodynamic properties of liquid alloys in glass-forming systems were described in the framework of the associated solution model (ASM) according to the... 相似文献
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The thermodynamic properties of phases and phase equilibria in the Cu-Hf system are described with the CALPHAD method. The set of self-consistent model parameters is based on the thermodynamic properties of liquid alloys, intermetallic compounds, and phase equilibria. The excess Gibbs energy of the liquid phase is described using an ideal associated solution model. The models of thermodynamic properties are used to describe possible metastable transformations such as glass formation in rapid quenching from the melt, formation of bulk amorphous alloys, and formation of supersaturated terminal solid solutions. 相似文献
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M. A. Turchanin P. G. Agraval A. R. Abdulov 《Powder Metallurgy and Metal Ceramics》2008,47(5-6):344-360
The CALPHAD method is used for the thermodynamic assessment of the Cu-Ti system that bounds the ternary Cu-Ti-Zr system, which is capable of forming amorphous alloys. The self-consistent parameters of thermodynamic models of the phases are obtained from data on the phase equilibria and thermodynamic properties of liquid alloys and intermetallic compounds. The Gibbs energy of the liquid phase is described using the associated ideal solution model. To describe the thermodynamic properties of the Cu4Ti and CuTi intermetallic compounds with homogeneity range, sublattice models are used. The calculated phase diagram of the system and the thermodynamic properties of the phases are in good agreement with experimental data. 相似文献
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L. A. Dreval’ A. R. Abdulov P. G. Agraval M. A. Turchanin 《Russian Metallurgy (Metally)》2010,(1):6-12
The partial mixing enthalpy of nickel in ternary liquid Cu-Fe-Ni alloys is studied at 1873 K along sections characterized
by ratios x
Cu: x
Fe = 3, 1, and 1/3 at x
Ni = 0–0.55. The investigations are undertaken using a high-temperature isoperibolic calorimeter. The temperature and composition
dependence of the excess mixing Gibbs energy of liquid Cu-Fe-Ni alloys are described in terms of the Muggianu-Redlich-Kister
model using the data obtained, the literature data on the activities of liquid alloy components, and the thermodynamic properties
of melts of the boundary binary systems. This model is used to calculate isotherms of the thermodynamic properties of the
liquid alloys over the entire composition range. The contribution of a ternary interaction to the integral mixing enthalpy
of liquid Cu-Fe-Ni alloys is found to be mainly positive. 相似文献
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