Epoxy-reinforced heavy metal oxides for gamma ray shielding purposes

Abstract

Abstract Epoxy resins with varying amounts of MoO 3 were theoretically investigated for their radiation shielding ability at low energies (between 0.0395 and 0.344 MeV). The quantity of MoO 3 varied from 0 to 30%, and relevant shielding parameters were obtained and analyzed from Phy-X software. The half value layer (HVL) of the resins demonstrated that increasing MoO 3 content improved the space-efficiency of the prepared samples at all tested energies, leading to the Mo4 sample, the epoxy resin with the greatest MoO 3 content having the smallest HVL. Additionally, the mean free path of the materials has an inverse relationship with their density, which increased with additional MoO 3 . The tenth value layer ratio between Mo1 and Mo4 illustrated how the introduction of Mo has a much greater effect on thickness reduction at lower energies than at higher energies due to photoelectric phenomena. The Z eff and N eff parameters showed how the epoxy samples benefitted from the introduction of MoO 3 at different energies.