Abstract
The production of barium-borate-bagasse-cassava rhizome-WO3 glass with varying weight fractions of WO3 from x = 0 to 8 wt% was carried out successfully using a popular melt-quenching method. The measured density and molar volume of all samples increased with respect to the heavier and larger size of WO3. The amorphous nature of the studied glass system was demonstrated by X-ray diffraction technique. Ultrasonic contact technique can be used to measure the ultrasonic velocity as well as to evaluate elastic moduli. Debye temperature, softening temperature, Cauchy relation, fugacity and fractal bond connectivity were also determined. Microhardness values were investigated using a microhardness testing machine. The results showed that these parameters were dependent upon the composition and dopant concentration in the glass system. The information from ultrasonic velocities was supported by FTIR spectra showing that the addition of WO3 affected the bridging oxygen in the network structure of the studied glass.
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