Abstract
Recently, various studies dealing with the relationship between the elastic constants and various of the macroscopic properties of metallic glasses have been published. Particularly, the correlations between Poisson's ratio of the glass and both the super cooled liquid viscosity behavior and the brittle-ductile transition have aroused much interest. We use a model developed by Knuyt et al. (1990 and 1991) based on a Gaussian distribution for the nearest-neighbor distance in an ideal unicomponent metallic glass in order to describe qualitatively the dependence of Poisson ratio on changes of the atomic structure. The results are used to explain the experimental results obtained in structural relaxation and hydrostatic pressure tests of metallic glasses.
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