Abstract
Phase stratification in a series of binary melts (AlBi, AlCd, AlIn, AlPb, CdGa, CrSn, and CuTl) and an amorphous NiZr alloy was studied. Equations describing the main stratification parameters in the liquid phase (the enthalpy ΔH, the relative volume change of melt formation ΔV/V 0, and the highest temperature T k at which phase stratification occurs) were obtained. An equation describing the concentration dependence of the relative integral Gibbs energy in the amorphous (liquid) phase was found. This equation took into account the influence of volume changes caused by melt formation on its entropy. The equations obtained were shown to qualitatively correctly describe phase stratification and the subsequent growth of crystalline phases in NiZr system alloys.
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