Abstract
On the basis of the published CALPHAD-type thermodynamic parameters, the atomic mobilities of Ag and Au in face-centered cubic (fcc) Ag-Au alloys are critically assessed, where self-diffusion coefficients, impurity diffusion coefficients, tracer diffusion coefficients, interdiffusion coefficients and concentration curves are simultaneously optimized. Good agreements are obtained by comprehensive comparisons between the calculated and experimentally measured values. In addition, the developed mobilities are successfully used to study inert marker movement for one-dimensional and two-dimensional cases. It is believed that the obtained parameters can provide helpful guidance for material designs.
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