Abstract

New ternary calcium borate glass systems of composition 60B2O3-(40-x) CaO-xCuO, (where x = 5, 10, 15 & 20) were successfully prepared by melt quenching technique and characterized by XRD, SEM and ultrasonic measurements. The non-existence of Bragg peaks in the XRD patterns identifies the amorphous nature of the samples. SEM is carried out to study the morphological modification created by the modifier oxide. The ultrasonic velocities and Density are measured at room temperature using pulse echo overlap method and Archimedes’ principle using deionized water as immersion liquid respectively. The elastic moduli such as longitudinal, shear, bulk and Young’s moduli, Poisson’s ratio, acoustic impedance, micro hardness and Debye temperature are calculated using the measured data. These parameters are discussed due to variations in composition as well as modifying action of CuO. In this glasses, CuO plays a network former role.

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