Abstract
The elastic properties of xAg 2O–(50 − x) P 2O 5–50V 2O 5 glasses are investigated using ultrasonic pulse-echo measurements and their elastic properties have been characterized at room temperature. Results from the studies show that both longitudinal and transverse velocities decrease with increase of Ag 2O concentration. The elastic constants C 11, C 44 and Young's modulus show decreasing trend while constant C 12, bulk modulus and Poisson's ratio show an increasing trend as the fraction of Ag 2O increases. Another notable observation is that the glass with 15 and 40 mol% of Ag 2O concentrations exhibits the low velocities and low elastic moduli. This behavior of the elastic properties is related to the change in the structure of glasses as well as the interatomic bonding.
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