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

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 May 2021Publisher:Elsevier BVJournal:Nuclear Engineering and Technology, volume 53, pages 1,634-1,641 (issn: 1738-5733,

Authors: Sema Erenturk; Sevilay Haciyakupoglu; Sinan Asal;

doi: 10.1016/j.net.2020.11.009

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

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Abstract

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.

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Keywords

Half value thickness, TK9001-9401, Ceramic, Tenth value thickness, Gamma-ray shielding, Bentonite, Attenuation coefficient, Nuclear engineering. Atomic power

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	33
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