Mechanical And Structural Properties Of Barium Oxide Doped Manganese Borate Glass

Ultrasonic velocity and density measurements have been carried out on B2O3-MnO2-BaO glass. The amorphous nature of the glasses was confirmed by X-ray diffraction pattern. Various parameters, viz., molar volume, longitudinal modulus, shear modulus, bulk modulus, Young’s modulus, Poisson’s ratio, acoustic impedance, microhardness and Debye temperature have been evaluated from the measured data. Compositional dependence of the ultrasonic velocities and related parameters are discussed in the light of the rigidity and compactness of the glasses. The FT-IR spectra show that glass network consists of borate structural units and the BO4 units increase with increasing BaO concentration.