Abstract
This repot aims to probe the physical, mechanical and radiation-protecting properties of a series of glasses with a chemical composition of yZrO2+(24.5-y)CaO+24.5Na2O+ 6P2O5+45B2O3 (0.5<y<5.0 mol%). The mechano-shielding characteristics of the glasses are discussed in terms of the molar ratio [ZrO2]/[CaO]. Glasses elastic-moduli are calculated utilizing the Makishima-Mackenzie model, along with Poisson's ratio (PR). The mass-attenuation-coefficient (MAC) of these samples is numerically evaluated in the energy range 0.015<E<15 MeV using the Phy-X/PSD online code. The computed MAC is used to derive significant radiation protection factors such as the linear attenuation coefficient (LAC), half-layer value (HVL), effective (Zeff)- and equivalent (Zeq) atomic number. The G-P fit method is employed to determine the exposure (EBF) and energy absorption (EABF) buildup factors for the glass set. Additionally, an assessment of the fast neutron removal cross-sections (ΣR) of the glasses is conducted. The study determined that the glass composition containing 5ZrO2–19.5CaO–24.5Na2O–6P2O5–45B2O3 (in mol%) demonstrated the most favorable properties for radiation protection implementations compared to the other glasses. Therefore, it can be inferred that the examined glasses demonstrate significant promise for protecting against radiation in both indoor and outdoor settings.
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