实验和FLUKA模拟研究CdO /Al2O3水泥废弃物大理石复合材料用于核辐射屏蔽
Ahmed M El-Khatib1, Mahmoud I Abbas1, Malak H Eid1
1Physics Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt.
Scientific reports
|October 8, 2025
概括
这项研究用氧化物 (CdO) 和氧化 (Al2O3) 纳米粒子增强了水泥废料大理石复合材料,用于优质的辐射屏蔽. 纳米尺寸的CdO-Al2O3粒子在减弱玛射线和中子方面表现比微型粒子更好.
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.
- 应用物理 应用物理
背景情况:
- 核辐射屏蔽对于核能,医学成像和太空探索至关重要.
- 开发有效和经济的屏蔽材料是一个持续的挑战.
研究的目的:
- 为了研究水泥和废旧大理石复合材料的辐射屏蔽特性,注入了氧化 (CdO) 和氧化 (Al2O3) 微/纳米粒子.
- 评估颗粒大小 (微型与纳米) 和重量百分比 (Wt.%) 对屏蔽性能的影响.
主要方法:
- 结构,形态和辐射屏蔽特性 (HVL,TVL,LAC,MAC,EABF) 的实验性表征.
- 用不同度的CdO和Al2O3微/纳米粒子注入水泥废料大理石复合材料.
- 使用FLUKA蒙特卡洛模拟对光子和中子能量达到100 MeV和20 MeV的验证.
主要成果:
- 添加CdO-Al2O3颗粒显著提高了复合材料的辐射屏蔽能力.
- 增加CdO-Al2O3颗粒的Wt.%导致了提高屏蔽效率.
- 与微型颗粒相比,纳米尺寸的CdO-Al2O3颗粒表现出优越的衰减特性.
- 实验结果得到了FLUKA蒙特卡洛模拟的证实.
结论:
- 用CdO-Al2O3纳米颗粒添加的水泥废料大理石复合材料显示出作为有效的辐射屏蔽材料的巨大潜力.
- 开发的复合材料适用于需要对玛辐射和中子进行屏蔽的应用.
- 纳米粒子增强为提高辐射屏蔽性能提供了一个有前途的途径.
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