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Study of rigidity of semiconducting vanadate glasses and its importance in use of coatings

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Abstract

The elastic moduli of some multicomponent vanadate based glasses were analysed in terms of the bond compression model by some physical parameters such as, the density, average stretching force constant and average atomic ring size. These parameters were calculated for all the glass series and for all the glass composition to estimate the rigidity of these glasses. The results showed that the average force constant and the elastic moduli of these glasses are sensitive to the decrease in PbO content. This behaviour was attributed to the increase in the molar volume and the role of different modifiers. These parameters along with the coordination number of the glasses affect the glass transition temperature. The correlation between the elastic moduli and thermal properties of these samples showed that 0·25MoO3–0.25PbO–0·5V2O5 glass is the most rigid and has an applicable glass transition temperature for coating.

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Correspondence to Yasser B Saddeek.

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Saddeek, Y.B., Gaafar, M.S. Study of rigidity of semiconducting vanadate glasses and its importance in use of coatings. Bull Mater Sci 37, 661–667 (2014). https://doi.org/10.1007/s12034-014-0682-1

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  • DOI: https://doi.org/10.1007/s12034-014-0682-1

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