Development and production of metal oxide doped glasses for gamma ray and fast neutron shielding. (September 2020)

• Record Type: Journal Article
• Authors: Aygün, Bünyamin; Şakar, Erdem; Cinan, Esra; Yorgun, Nergiz Yıldız; Sayyed, M.I.; Agar, O.; Karabulut, Abdulhalik
• Is Part Of: Radiation physics and chemistry. Volume 174(2020:Sep.)
• Publication Date: 2020-09
• Subjects: Neutron and gamma radiation -- Shielding -- Glasses -- GEANT4 -- Monte Carlo; Radiation chemistry -- Periodicals; Radiometry -- Periodicals; Radiation -- Periodicals; Chimie sous rayonnement -- Périodiques; 539.2
• DOI: 10.1016/j.radphyschem.2020.108897
• Languages: English
• ISSNs: 0969-806X

Abstract

Abstract: In this study, new glasses were designed and produced that did not consist of toxic lead oxide (PbO). Unlike conventional glass with powdered silicon oxide (SiO2 ) added [cobalt oxide (CoO), cadmium tungsten oxide (CdWO4 ), bismuth oxide (Bi2 O3 ), chromium oxide (Cr2 O3 ), and boron oxide (B2 O3 )], new glass specimens were fabricated via melt-quenching. The total macroscopic cross-sections, mean free path, and transmission number were calculated using GEANT4 Monte Carlo code. The equivalent dose rates were measured for 4.5 MeV fast neutrons. Gamma attenuation experiments were conducted at several energies in a range of 53–383 keV. The experimental and theoretical results were compared with those of construction concrete, paraffin, glasses containing lead, borosilicate, normal window, and soda glasses. The new glass minimized both gamma and neutron radiation leaks that may occur in various fields such as radiation treatment, nuclear power plants, radioactive waste transport and storage, and space and laboratory research. Highlights: New glass materials have been designed and produced. Investigate the shielding properties of gamma rays and fast neutron particles. The Total macroscopic cross sections (cm −1 ), transmission number have calculated. Fast neutron equivalent dose rate measurements were made. Gamma attenuation experiments were performed in the range of 53–383 keV.