石含量对 siderite 聚合混凝土辐射屏蔽性能的影响
Hüseyin Ali Yalım1, Ezgi Yıldız Ateş1, Mücteba Uysal2
1Afyon Kocatepe University, Physics Department, Afyonkarahisar, Turkiye.
概括
这项研究表明,具有更多 siderite 聚合物的混凝土提供了更好的玛辐射屏蔽. 在混凝土中增加ulexit含量会降低其阻断电离辐射的有效性.
科学领域:
- 材料科学 材料科学 材料科学
- 核工程 核工程是指核工程.
- 辐射保护 辐射保护
背景情况:
- 医疗和工业环境中的工作人员面临来自电离辐射暴露的风险.
- 有效的辐射屏蔽对于X射线设施和手术室等环境的安全和监管合规至关重要.
研究的目的:
- 为了评估混凝土混合物具有不同的 siderite 和 ulexite 含量的玛辐射屏蔽能力.
- 为了确定ulexite比例对混凝土整体屏蔽效率的影响.
主要方法:
- 根据TSE EN 206+A2标准,准备了六种不同的 siderite-ulexite比率的混凝土混合物.
- 在特定光子能量 (662,1173,1332 keV) 上使用NaI(Tl) 马光谱实验测量了线性衰减系数 (μ).
- 使用Phy-X/PSD代码在广泛的能量范围 (15 keV至15 MeV) 上理论计算的屏蔽参数,并根据实验数据进行验证.
主要成果:
- 在实验和理论线性衰减系数 (μ) 之间发现了很强的一致性.
- 增加混凝土中的 siderite 含量显著提高了玛射线屏蔽性能.
- 相反,观察到较高的石含量会降低混凝土的屏蔽效果.
结论:
- 与含有较高乌莱克西特物质的混凝土相比,混凝土含有 siderite 聚合物的混凝土表现出优越的玛辐射屏蔽性能.
- 物理X/PSD代码是预测混凝土材料辐射屏蔽参数的可靠工具.
- 基于 siderite 的混凝土是建造有效的辐射屏蔽空间的有希望的材料.
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