Production and evaluation of the polyester composites containing pyrite and niobium diboride for radiation protection

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL Radiation Physics and Chemistry Pub Date : 2024-10-16 DOI:10.1016/j.radphyschem.2024.112326

Ferdi Akman , Mehmet Fatih Turhan , Hasan Oğul , Ahmet Turşucu , Taha Erdoğan , Mustafa Recep Kaçal , Hasan Polat

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Abstract

The presented study focused on investigating the radiation shielding properties of polyester/pyrite/niobium diboride (FeSNbB) composites. Various gamma-ray shielding parameters were evaluated with help of a HPGe detector system. Theoretical and simulation results are further evaluated by WinXCOM, GEANT4 and FLUKA codes, and the obtained results are compared with experimental values in the energy region 59.5 keV–1332.5 keV. The prepared samples are additionally evaluated using kerma relative to air values and Exposure build-up factors. Then, for the evaluation of neutron radiation shielding, effective removal cross sections for fast neutrons were determined for FeSNbB composites. Electron attenuation efficiency (AE%) for the produced composites was assessed across the energy spectrum of 4 MeV–18 MeV, utilizing experimental data from a Linac machine and theoretical predictions from Eclipse TPS. The results were found to be compatible with each other. FeSNbB50 has the best shielding properties among the studied composites.

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生产和评估含黄铁矿和二硼化铌的聚酯复合材料，用于辐射防护

本研究的重点是调查聚酯/黄铁矿/二硼化铋铌（FeSNbB）复合材料的辐射屏蔽性能。在 HPGe 探测器系统的帮助下，对各种伽马射线屏蔽参数进行了评估。理论和模拟结果通过 WinXCOM、GEANT4 和 FLUKA 代码进行了进一步评估，并将所得结果与 59.5 keV-1332.5 keV 能量区域的实验值进行了比较。此外，还使用相对于空气的 kerma 值和暴露堆积因子对制备的样品进行了评估。然后，为了评估中子辐射屏蔽，确定了铁硒铌复合材料对快中子的有效清除截面。利用 Linac 机器的实验数据和 Eclipse TPS 的理论预测，评估了所生产复合材料在 4 MeV-18 MeV 能谱范围内的电子衰减效率（AE%）。结果发现两者是一致的。在所研究的复合材料中，FeSNbB50 的屏蔽性能最好。

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来源期刊

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.