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— The basic concepts of the delocalized-atom model have been shown to be applicable to low-melting-point sulfophosphate glasses and parameters of the model have been calculated. The parameters have been used to gain insight into the “atom delocalization” process in the glasses and assess their properties (viscosity, microhardness, glass transition temperature, and internal pressure). The results demonstrate...
— The product of the density of a solid with the square of the root mean square velocity of deformation waves in it, which has features characteristic of elastic moduli, is named an effective modulus of elasticity. We demonstrate that the ratio of the bulk modulus to the effective modulus of elasticity of oxygen-free chalcogenide glasses is a single-valued function of Poisson’s ratio, like in the...
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