Comparison between the elastic moduli of tellurite and phosphate glasses

A theoretical analysis of the experimental bulk modulus K-e of both binary tellurite and binary phosphate glasses containing transition metal oxides V2O5 or MoO3 with different percentages has been done. The main parameters in the analysis were the calculated bulk modulus K-bc and Poisson's ratio sigma(bc). The calculations have been done according to the bond compression model. These parameters were calculated for every glass series and for every glass composition. Also the ring size of the glass network has been calculated by using the ring deformation model for every glass series.