Impact of varying Bi2O3 content on physical, mechanical, structural and gamma ray shielding properties of Bi2O3-B2O3-SiO2-Na2O glass system

Sayyed M.I.; Almuqrin Aljawhara H.; Kumar Ashok

doi:10.1016/j.net.2025.103684

논문KCI 등재

Impact of varying Bi2O3 content on physical, mechanical, structural and gamma ray shielding properties of Bi2O3-B2O3-SiO2-Na2O glass system

Sayyed M.I.|Almuqrin Aljawhara H.|Kumar Ashok

한국원자력학회 (Korean Nuclear Society)|2025.10|Nuclear Engineering and Technology|제57권 제10호|DOI 10.1016/j.net.2025.103684

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키워드

Mechanical properties Shielding Structural properties Bi2O3-B2O3-SiO2-Na2O glass system 0.015–15 MeV

주제분류원자력공학

초록

The study evaluates varying Bi2O3 content’s impact on the Bi2O3-B2O3-SiO2-Na2O glass system, where by Bi2O3 addition enhances the density (ρ) and molar volume (Vm). The elastic moduli decrease due to the increase in Vm. XRD spectroscopy confirms the amorphous nature. FTIR and Raman spectroscopy indicate shifts in vibrational bands and heightened peak intensities associated with Bi2O3 concentration. It signifies structural alterations owing to Bi-O bond formation and an increase in non-bridging oxygens (NBOs). The radiation shielding properties were investigated from 0.015 MeV to 15 MeV. The linear attenuation coefficient (LAC) at 0.015 MeV varied between 5.851 cm􀀀 1 (for the free Bi2O3 glass) and 210.436 cm􀀀 1 for the glass with 15 mol% Bi2O3. The LAC showed Bi2O3 incorporation to enhance the glasses’ shielding ability. The half value layer (HVL) is affected by the Bi2O3 content, where the HVL at 0.015 MeV reduces from 0.118 to 0.0034 cm due to the addition of 15 mol% Bi2O3

Abstract

The study evaluates varying Bi2O3 content’s impact on the Bi2O3-B2O3-SiO2-Na2O glass system, where by Bi2O3 addition enhances the density (ρ) and molar volume (Vm). The elastic moduli decrease due to the increase in Vm. XRD spectroscopy confirms the amorphous nature. FTIR and Raman spectroscopy indicate shifts in vibrational bands and heightened peak intensities associated with Bi2O3 concentration. It signifies structural alterations owing to Bi-O bond formation and an increase in non-bridging oxygens (NBOs). The radiation shielding properties were investigated from 0.015 MeV to 15 MeV. The linear attenuation coefficient (LAC) at 0.015 MeV varied between 5.851 cm􀀀 1 (for the free Bi2O3 glass) and 210.436 cm􀀀 1 for the glass with 15 mol% Bi2O3. The LAC showed Bi2O3 incorporation to enhance the glasses’ shielding ability. The half value layer (HVL) is affected by the Bi2O3 content, where the HVL at 0.015 MeV reduces from 0.118 to 0.0034 cm due to the addition of 15 mol% Bi2O3

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