Nuclear radiation shielding competences of barium-reinforced borosilicate glasses

Emerging Materials Research - Tập 9 Số 4 - Trang 1131-1144 - 2020
H.O. Tekın1, Shams A.M. Issa2, K.A. Mahmoud3, F.I. El‐Agawany4, Y. S. Rammah4, G. Süsoy5, M.S. Al-Buriahi6, Mohammed Abuzaid1, İskender Akkurt7
1Medical Diagnostic Imaging Department, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
2Department of Physics, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia; Physics Department, Faculty of Science, Al-Azhar University, Assiut, Egypt
3Ural Federal University, Yekaterinburg, Russia; Nuclear Materials Authority, Cairo, Egypt
4Physics Department, Faculty of Science, Menoufia University, Menoufia, Egypt
5Department of Physics, Faculty of Science, İstanbul University, Istanbul, Turkey
6Department of Physics, Sakarya University, Sakarya, Turkey
7Department of Physics, Faculty of Art and Science, Suleyman Demirel University, Isparta, Turkey

Tóm tắt

The gamma photon and neutron shielding effectiveness of borosilicate glasses with alumina in the chemical structure 40SiO2.10B2O3.xBaO.(45 − x)CaO.5Al2O3.yZnO.zMgO glasses (20 ≤ x ≤ 40 mol% and y = z = 6 wt%) was evaluated. The investigated glasses were coded as BCBSA-20B (barium oxide (BaO) = 20 mol%) to BCBSA-40B (barium oxide = 40 mol%). The results showed that the mass attenuation coefficient (MAC) increased when barium oxide increased in the samples, and the samples were arranged in order as BCBSA-20B < BCBSA-25B < BCBSA-30B < BCBSA-35B < BCBSA-40B. In terms of MAC values, the BCBSA-40B sample has the lowest values of half-value layer and mean free path but has the highest values of effective atomic number (Z eff). Moreover, the neutron shielding competences of glasses have been determined by way of calculating the removal cross-section for the fast neutrons, Σ R (cm−1), which was the highest for the BCBSA-40B glass (Σ R = 0.0994 cm−1) among the studied samples. In addition, mass stopping power (Ψ) and the projected range (Φ) for proton and alpha particles were also calculated. It was found that the BCBSA-40B sample has the lowest Ψ and Φ among the studied glasses. It can be concluded that the replacement of the calcium oxide (CaO) content with the barium oxide contents enhances the shielding capacity against the charged particles, electromagnetic radiation and the fast neutrons. The finding of recent investigations can be useful for advanced nuclear engineering and protection studies.

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