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The present work divulges about ultrasonic characterization on the elastic and
mechanical properties of borate doped ternary glass systems. The Ultrasonic wave velocity
(longitudinal and shear) and density for the two ternary
(B2O3-WO3-Bi2O3) BTB and
(B2O3-SiO2- Bi2O3) BSB glass systems
have been measured at room temperature by using
Pulse.Echo technique at 5 MHz. The glass samples were prepared by melt-quenching
method. The measured experimental values have been utilized to evaluate the Elastic
modulus, Poisson's ratio, Acoustic Impedance, Debye Temperature, and Thermal Expansion
Coefficient. The incorporation of heavy metal ion in BTB glass system is attributing for its
decrease of most of its parameters. The elevation of Debye Temperature in this study
advocates structural rigidity and compactness of BSB glass system over BTB glass system.
The trends of other evaluated parameters supporting this. The UV-Vis (DRS) study on the
band gap energies of these glass specimens confirming their amorphous nature and suggesting
their nature of rigidity.
Keywords: Poisson's ratio, Acoustic impedance, Debye temperature, Thermal expansion Coefficient, Elastic Modulus |
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