New lead barium borate glass system for radiation shielding applications: impacts of copper (II) oxide on physical, mechanical, and gamma-ray attenuation properties

IF 1.4 3区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
M. Sayyed, Aljawhara H. Almuqrin, Karem A. Mahmoud
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Abstract

The current work seeks to develop a novel CuO-doped lead calcium barium borate glass using the melt quenching method at 1100 °C. There was a 3.91–4.49 g/cm3 change in the fabricated glasses’ density, with a respective 0–15 mol.% increase in the CuO concentration. Additionally, substituting CuO for B2O3 reduced the fabricated glasses mechanical properties due to the decreased dissociation energy between 63.99 and 60.50 kcal/cm3, and the packing factor decreased between 15.22 and 13.23 cm3/mol. Through increasing the fabricated glasses’ CuO concentration, there was a decrease in the bulk, longitudinal, shear, and mechanical Young moduli. Moreover, Monte Carlo simulation (energy interval: 0.033–2.506 MeV) was employed to evaluate the fabricated glasses’ ability to shield gamma rays. A 0–15 mol.% increase in the CuO concentration raised the linear attenuation coefficient (LAC) between 14.081 and 16.797 cm−1 (0.059 MeV), 0.325–0.371 cm−1 (0.662 MeV), and 0.154–0.176 cm−1 (2.506 MeV). The LAC enhancement reduced the required half value thickness of the fabricated glasses by 16.2 %, 12.53 %, and 12.85 % at the of 0.059, 0.662, and 2.506 MeV gamma ray energies.
辐射屏蔽应用中的新型硼酸铅玻璃体系:氧化铜(II)对物理、机械和伽马射线衰减特性的影响
目前的研究工作旨在利用 1100 °C 的熔体淬火法,开发一种新型的掺氧化铜的硼酸铅钙钡玻璃。在 CuO 浓度分别增加 0-15 摩尔%的情况下,制造出的玻璃的密度发生了 3.91-4.49 克/立方厘米的变化。此外,用 CuO 替代 B2O3 会降低玻璃的机械性能,因为解离能在 63.99 至 60.50 kcal/cm3 之间,而堆积系数在 15.22 至 13.23 cm3/mol 之间。随着所制玻璃中 CuO 浓度的增加,体积模量、纵向模量、剪切模量和机械杨氏模量都有所下降。此外,还采用蒙特卡罗模拟(能量区间:0.033-2.506 MeV)评估了所制玻璃屏蔽伽马射线的能力。氧化铜浓度增加 0-15 摩尔%,线性衰减系数(LAC)分别在 14.081 和 16.797 厘米-1(0.059 兆电子伏)、0.325-0.371 厘米-1(0.662 兆电子伏)和 0.154-0.176 厘米-1(2.506 兆电子伏)之间提高。在伽马射线能量为 0.059、0.662 和 2.506 MeV 时,LAC 增强可将制造的玻璃所需的半值厚度分别减少 16.2%、12.53% 和 12.85%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Radiochimica Acta
Radiochimica Acta 化学-核科学技术
CiteScore
2.90
自引率
16.70%
发文量
78
审稿时长
6 months
期刊介绍: Radiochimica Acta publishes manuscripts encompassing chemical aspects of nuclear science and technology.
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