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抗氧化玻璃的结构,热和辐射屏蔽性能

Yurii Hordieiev¹, Aleksandr Zaichuk²

¹Department of Ceramics, Glass and Construction Materials, Ukrainian State University of Science and Technologies, 8 Nauky Avenue, 49005, Dnipro, Ukraine. yuriihordieiev@gmail.com.

Scientific reports

|May 9, 2025

概括

酸玻璃显示出由于Sb2O3添加而增强的辐射屏蔽性能. 结构变化提高了热稳定性和密度,使这些玻璃在辐射减弱方面有效.

科学领域:

材料科学材料科学材料科学
凝聚物质物理学凝聚物质物理学
核工程核工程是指核工程.

背景情况:

玻酸盐玻璃由于其多功能性质而受到广泛研究.
已知三氧化 (Sb2O3) 对玻璃网结构和功能特征有影响.
了解Sb2O3替代的影响对于优化玻璃性能至关重要.

研究的目的:

用于合成具有不同Sb2O3度的玻璃.
研究Sb2O3替代对这些玻璃的结构,热和辐射屏蔽性能的影响.
建立玻璃成分,结构和性能之间的相关性.

主要方法:

玻璃合成的融化灭技术.
用X射线衍射 (XRD) 进行结构分析 (形态性质确认).
福里埃变换红外光谱 (FTIR) 用于结构重组和粘合.
对热特性 (玻璃过渡温度,热稳定性) 的差异热分析 (DTA).
密度和摩尔体积测量. 密度和摩尔体积测量.
用于辐射屏蔽评估的马射线衰减测量.

主要成果:

XRD证实了所有合成玻璃样品的无形性质.
FTIR显示,非桥梁氧含量增加,Sb2O3上升,表明结构修改.
玻璃过渡温度从580°C降低到490°C,而热稳定性 (ΔT) 从144°C提高到256°C.
密度从3.121g/cm3增加到3.836g/cm3,并且体积扩大.
辐射屏蔽的显著增强:在10 MeV时,线性衰减系数增加了~49% (取代B2O3) 和~28% (取代ZnO).
半值层从9.02厘米减少到6.07厘米,其中15mol%Sb2O3,表明光子衰减优越.

结论:

替代Sb2O3有效地改变了玻璃玻璃的结构.
添加Sb2O3可以提高热稳定性和密度.
酸玻璃具有显著改善的辐射屏蔽能力,使其成为辐射保护应用的有希望的材料.

关键词:

密度密度密度密度玻璃过渡玻璃过渡玻璃过渡融灭技术的技术热膨胀是一种热膨胀.玻酸盐玻璃杯的使用情况

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