Analysis of the radiation attenuation parameter of bismuth borate glass

Jaafar, Muhammad Fakhrul Naim (2022) Analysis of the radiation attenuation parameter of bismuth borate glass. [Project Paper] (Submitted)

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Abstract

This analysis aims to determine photon attenuation for five Borate Bismuth glass samples with the chemical composition B2O3 − WO3 − Bi2O3 using Phy-X/PSD software. A total of five Borate Bismuth glass samples with the chemical composition (90 − x) B2O3 − 10 WO3 − (x)Bi2O3 in mol% where x is equal to 5 − 25 mol% have been successfully synthesized by using the conventional melt quenching technique. The density of the glass system for the first sample is 4.172 g/cm3 then increase to 4.285 g/cm3 for the second sample, 4.400 g/cm3 for the third sample, 4.781 g/cm3 for the fourth sample and 4.844 g/cm3 for the fifth sample. In conclusion, the density of the glasses increases when the Bi2O3 content of the glasses increases meanwhile the molar volume was found to have directly proportional relationship with the density of the prepared glass sample. This is because we found out that with rising Bi2O3 content, the molar volume displays an increasing trend. When Bi2O3 is gradually introduced into the glass system, the production of open structures may be attributable to an increase in the formation of non-bridging oxygen. As for the optical properties of the sample, the transparency of the glasses diminishes with the expanding mole percent of Bi2O3 within the glass composition. In radiation shielding, a broad range of photon energies between 0.015 and 15 MeV, the mass attenuation coefficient (MAC), half‐value layer (HVL), and mean free path (MFP) for the samples were calculated. Bismuth oxide enhances glass density, modifies the glass structure, and improves radiation shielding characteristics, according to the findings. Atomic rearrangements and the creation of non-bridging oxygen (NBO) cause changes in the glass structure. Because of the high molecular weight of Bi2O3 and the growing amount of NBO atoms in the glass structure, the density of the glass system rose as the Bi2O3 content grew. Furthermore, as the concentration of Bi2O3 grows, the mass attenuation coefficient of the glass system increases, and the half value layer and mean free path demonstrate that the current glass performs better than various conventional concretes and commercial radiation shielding glasses.

Item Type:	Project Paper
Faculty:	Fakulti Sains
Depositing User:	Ms. ROHANA ALIAS
Date Deposited:	20 May 2024 23:45
Last Modified:	05 Aug 2024 08:11
URI:	http://psaspb.upm.edu.my/id/eprint/1857

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