Research Article

Structural Elucidation of Some Borate Glass Specimen by Employing Ultrasonic and Spectroscopic Studies

Table 3

Values of Poisson’s ratio (σ), acoustic impedance ( ), microharness ( ), Debye temperature ( ), and thermal expansion coefficient ( ) of BML and BSP glass systems.

Name of the glass samplesPoisson’s ratio (σ)Acoustic impedance Z   (×107 Kg · m2s−1)Microhardness H (×10−9 Nm−2)Debye temperature (K)Thermal expansion coefficient (K−1)

System-I BML glass systems (B2O3- MnO2-PbO)

BML-10.2110.53122.6390144.9294488.1
BML-20.2300.55341.4100146.4996912.4
BML-30.2520.59611.4300151.54102151.5
BML-40.2500.61521.5370156.37104991.7
BML-50.2570.62451.5750159.72105553.1
BML-60.2620.63881.5935162.12107075.7

System-II BSP glass systems (B2O3-Na2CO3-P2O5)

BSP-10.2120.87822.7130197.68119358.7
BSP-20.2440.91652.9830210.31121931.4
BSP-30.2240.92953.0145211.38122750.8
BSP-40.2380.94793.0600223.36124782.4
BSP-50.2561.00223.0710224.03130631.4
BSP-60.2871.08173.1765230.16139991.4