期刊
MATERIALS
卷 14, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/ma14123414
关键词
silicate glass; mechanical properties; radiation shielding; MCNP5
类别
资金
- Princess Nourah bint Abdulrahman University
The study investigated the mechanical and radiation shielding properties of a quaternary Na2O-CaO-SiO2-TiO2 glass system used in radiation protection, evaluating the elastic moduli of the glass samples using the Makishima-Mazinize model. It was found that the elastic moduli, dissociation energy, and packing density increased as the TiO2 content increased.
The mechanical and radiation shielding features were reported for a quaternary Na2O-CaO-SiO2-TiO2 glass system used in radiation protection. The fundamentals of the Makishima-Mazinize model were applied to evaluate the elastic moduli of the glass samples. The elastic moduli, dissociation energy, and packing density increased as TiO2 increased. The glasses' dissociation energy increased from 62.82 to 65.33 kJ/cm(3), while the packing factor slightly increased between 12.97 and 13.00 as the TiO2 content increased. The MCNP-5 code was used to evaluate the gamma-ray shielding properties. The best linear attenuation coefficient was achieved for glass samples with a TiO2 content of 9 mol%: the coefficient decreased from 5.20 to 0.14 cm(-1) as the photon energy increased from 0.015 to 15 MeV.
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