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Structural investigation and interpretation of some alkali lead borate glasses as radiation shielding materials

  • M. S. GaafarEmail author
  • I. S. Mahmoud
Research
  • 21 Downloads

Abstract

Alkali lead borate glass compositions of 0.2 Na2O–(0.8 − x) B2O3–x PbO (with x = 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, and 0.55) have been prepared by melting at 1100 °C. All recorded FTIR absorption spectra were in the range of 400–2400 cm−1, and different parameters such as N4 and average B–O and Pb–O bonds have been determined. The density and molar volume parameters have been also obtained. In addition, both ultrasonic wave velocities (longitudinal and shear) were measured, and elastic moduli have been determined. The results were correlated and discussed in terms of the changing role of lead oxide from glass modifier to glass former at the concentration of 20 mol% PbO. The data gathered in the study along with those that were obtained through the mass absorption coefficient calculations suggested that those glass compositions are good shielding materials for γ rays.

Keywords

Borate glasses FTIR Mechanical properties Shielding properties 

Notes

Acknowledgements

The authors express their gratitude to the Deanship of scientific research at Majmaah University, Saudi Arabia, for funding this search work under grant no. 17/1437.

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Copyright information

© Australian Ceramic Society 2019

Authors and Affiliations

  1. 1.Department of Physics, College of Science in ZulfiMajmaah UniversityAl-MajmaahSaudi Arabia
  2. 2.Ultrasonic LaboratoryNational Institute for StandardsGizaEgypt
  3. 3.Physics Department, Faculty of ScienceSuez Canal UniversityIsmailiaEgypt

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