PIXE analysis of concrete composition in a research reactor facility under decommissioning
PIXE analysis of concrete composition in a research reactor facility under decommissioning
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退役研究堆设施中混凝土成分的 PIXE 分析
DOI：
10.1142/s012908351850016x
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
Y. Oguri
中科院分区：
文献类型：
--
作者：
N. Hagura;K. Kashimata;K. Mochiki;Y. Oguri
本研究利用粒子诱发X射线发射（PIXE）技术对旧核反应堆设施中混凝土的元素组成进行了评估。鉴于混凝土的物理体积巨大，通过PIXE方法对许多样品进行简单快速的分析可以加快退役工作。本研究的结果证实，它是可能的，使用PIXE方法来检测轻和中重元素（从钠到铁）在混凝土中没有复杂的化学处理。其中一些元素含有Na-24、Al-28和Fe-55的母核素，这些元素是在设施关闭后长达10年的时间内具有残留放射性的主要成分。
This study conducted an evaluation of elemental composition of concrete in an old nuclear reactor facility using the particle-induced X-ray emission (PIXE) technique. Given that the physical volume of the concrete is huge, easy, and quick analysis of many samples via the PIXE method can expedite the decommissioning work. The result of this study confirmed that it is possible to use the PIXE method for detecting light and medium-heavy elements (from Na to Fe) in concrete without the complicated chemical treatment. Some of these elements contain parent nuclides of Na-24, Al-28, and Fe-55, which are dominant components with residual radioactivity for a period of up to 10 years after facility shutdown.