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Based on the thermodynamic description, experimental diffusion coefficients and empirical relations, the atomic mobilities of Al and Zr in fcc_Al, bcc_Zr and hcp_Zr phases have been optimized. From the comparisons between the calculated and measured diffusion coefficients, it can be seen that most of the experimental data are reproduced well. A good prediction was also made in the composition–distance...
Using solid/solid diffusion couples and the electron probe microanalysis (EPMA) technique, the interdiffusion coefficients in fcc Cu–Al–Fe alloys at 1273 K were determined by means of Whittle and Green’s method. Based on the atomic mobilities of three sub-binary systems available in the literature and the interdiffusivities determined, the atomic mobilities in fcc Cu–Al–Fe alloys were assessed by...
The Cr–Ge binary system was thermodynamically optimized using the CALPHAD method. The liquid phase was described by means of an associate solution model. The BCC terminal solid solution was described by the substitutional solution model. The two-sublattice model was used to describe the non-stoichiometric compounds Cr 3 Ge, αCr 5 Ge 3 and βCr 5 Ge 3 . The Cr...
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