Effect of Bi2O3 on mechanical features and radiation shielding properties of boro-tellurite glass system
作者： M.S. Al-Buriahi , M. Rashad , Amani Alalawi , M.I. Sayyed
DOI: 10.1016/J.CERAMINT.2020.03.208
关键词:
摘要: Abstract This paper focuses on the effect of Bi2O3 content (up to 80 mol%) mechanical features and radiation shielding characteristics boro-tellurite glasses within TeO2–B2O3–Bi2O3 system. The basic parameters such as oxygen molar volume, packing density, hardness, elastic moduli were studied based Makishima–Mackenzie's theory. studies included gamma, electron neutron radiations. newly developed Phy-X/PSD program Geant4 simulation used calculate mass attenuation coefficient (μ/ρ), tenth value layer (TVL), mean free path (MFP), stopping power (ψe)), removal cross section (RCS), CSDA range, effective atomic number (Zeff), half (HVL). concentration had a significant gamma competence investigated glasses. Form results studies, highest μ/ρ (99.845 cm2/g) occurred at 0.015 MeV for TBB80 lowest (0.039 m2/g) 4 MeV TBB40. maximum values Zeff interaction 0.02 MeV they 77.26, 78.81, 79.94, 80.80, 81.48 TBB40, TBB50, TBB60, TBB70, TBB80, respectively. compared with those various ordinary concretes, Pb-free, Pb-based, commercial also considerable influence tested 14 MeV 44.58, 47.72, 50.41, 52.75, 53.73 revealed that bismuth could be useful against electron, radiations, wherein can balanced according type energy radiation.
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