Neutron tomography of a highly irradiated spallation target rod

被引：0
作者：
Trtik, Pavel [1 ]
Welte, Joerg [1 ]
Yetik, Okan [1 ]
Gruenberger, Sven [1 ]
Kalt, August [1 ]
Hovind, Jan [1 ]
Blau, Bertrand [1 ]
机构：
[1] Paul Scherrer Inst, Forsch Str 111, CH-5232 Villigen, Switzerland
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 12期
关键词：
Neutron tomography; Radioactive; Irradiated; Spallation; Target; Dysprosium; Imaging plate; NEURAP; NEUTRA; SINQ; RADIOGRAPHY; TESTS; FUEL;
D O I：
10.1007/s10967-022-08559-9
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
We performed tomographic investigation of the most heavily perturbed (thus highly radioactive) rod and its pristine/unirradiated replicate from the target No. 12 of the Swiss neutron spallation source (SINQ). The tomographic dataset reveals the 3D re-distribution of the lead filling inside the irradiated Zircaloy tube. The change in the linear attenuation coefficient of both the lead filling and the Zircaloy tube of the irradiated rod (due to the presence of the entrapped spallation products) in comparison with the pristine/unirradiated material is quantified. The dataset provides valuable input for the enhancement of safety and efficiency of future spallation targets at SINQ.
引用
收藏
页码：5129 / 5135
页数：7
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