用于增强伽马射线和中子屏蔽应用的Bi和pb基合金的综合性能评估

IF 2.8 3区 物理与天体物理 Q3 CHEMISTRY, PHYSICAL
Ghada ALMisned , Gulfem Susoy , Duygu Sen Baykal , G. Kilic , Ömer Güler , H.O. Tekin
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引用次数: 0

摘要

本综合研究探讨了各种铋(Bi)和铅(Pb)基合金的辐射衰减特性,重点是确定核安全和工业辐射防护的优良屏蔽材料。该研究包括对GTSB5、Sn%40Bi、Bi50Sn50、A1、PbAl-4、Safe Alloy和P1等7种合金的深入分析,评估了它们在伽马射线和中子衰减方面的效果。利用一些计算工具,评估了各种参数,如质量和线性衰减系数、半值层和十值层值、有效原子和电子数、累积因子和透射值。我们的研究结果突出了合金P1的卓越性能,这归功于它的高密度(11.05 g/cm3)和优化的元素组成,包括银(Ag)。此外,P1在多个能谱上表现出优异的伽马射线衰减和优越的中子屏蔽能力,这可以通过其显著的快中子去除截面(∑R, 0.12003 1/cm)来证明。研究表明,Ag的加入增强了光子和β粒子的吸收能力,使P1成为一种有前途的辐射屏蔽材料。合金密度与伽马射线屏蔽性能之间的相关性尤为显著,P1的密度有助于其增强的衰减能力。此外,P1在15 MeV下的下半值层(1.14469 cm)和第十值层(3.80256 cm)表明其在最小材料厚度下降低辐射强度的效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comprehensive performance assessment of Bi- and Pb-based alloys for enhanced Gamma-Ray and neutron shielding applications
This comprehensive study investigates the radiation attenuation properties of various bismuth (Bi) and lead (Pb) based alloys, with a focus on identifying superior shielding materials for nuclear safety and industrial radiation protection. The research encompasses an in-depth analysis of seven alloys, namely GTSB5, Sn%40Bi, Bi50Sn50, A1, PbAl-4, Safe Alloy, and P1, assessing their efficacy in gamma-ray and neutron attenuation. Utilizing some computational tools, various parameters such as mass and linear attenuation coefficients, half and tenth value layer values, effective atomic and electron numbers, buildup factors, and transmission values were evaluated. Our findings highlight Alloy P1's outstanding performance, attributed to its high density (11.05 g/cm3) and optimized elemental composition, including Silver (Ag). In addition, P1 demonstrates exceptional gamma-ray attenuation across multiple energy spectra and superior neutron shielding capabilities, evidenced by its significant fast neutron removal cross-section (∑R, 0.12003 1/cm). The study revealed that the addition of Ag enhances the photon and beta particle absorption capacity, positioning P1 as a promising material in radiation shielding applications. The correlations between alloy density and gamma-ray shielding properties were particularly notable, with P1's density contributing to its enhanced attenuation capabilities. Furthermore, P1's lower half value layers (1.14469 cm) and tenth value layers (3.80256 cm) at 15 MeV indicate its efficiency in reducing radiation intensity with minimal material thickness.
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来源期刊
Radiation Physics and Chemistry
Radiation Physics and Chemistry 化学-核科学技术
CiteScore
5.60
自引率
17.20%
发文量
574
审稿时长
12 weeks
期刊介绍: Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.
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