Abstract

A molecular-dynamics simulation, in which the mean atomic volume is a function of temperature as in experiments, is described and applied to examine the characteristics of metallic supercooled liquids. It appears that (1) the microstructure of a metallic system changes gradually in the liquid to glass transition, and (2) the thermodynamic and structural properties of a metallic supercooled liquid on heating differ more and more from those on cooling, when the heating rate becomes less and less than the cooling rate, lending support to an existing conclusion, i.e., the glass transition is essentially a kinetic phenomenon.

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