Bentonite based ceramic materials from a perspective of gamma-ray shielding: Preparation, characterization and performance evaluation

Nuclear Engineering and Technology

Sevilay Haciyakupoglu¹  Sema Akyil Erenturk²  Sinan Asal³ 

[1] Energy Institute, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey;Corresponding author.;Energy Institute, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey;

关键词: Gamma-ray shielding;    Bentonite;    Ceramic;    Attenuation coefficient;    Half value thickness;    Tenth value thickness;   

DOI  :  

来源: DOAJ

【 摘 要 】

Exposure to gamma-rays is hazardous for humans and other living beings because of their high penetration through the materials. For this reason, shielding materials (usually lead, copper and stainless steel) are used to protect against gamma rays. This study’s objective was to prepare ceramic materials for gamma radiation shielding by using different natural bentonite clays. Gamma-ray attenuation performances of the prepared shielding materials at different thicknesses were investigated and evaluated for different gamma-ray energies from different standard point gamma radiation sources (251Am, 57Co, 137Cs, 60Co, and 88Y). The mass and linear attenuation coefficients of the prepared ceramics vary between 0.238 and 0.443 cm2 g−1 and between 0.479 and 1.06 cm−1, respectively, depending on their thicknesses. Results showed that these materials could be prioritized because of their evidential properties of gamma radiation protection in radiation applications.

【 授权许可】

Unknown