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An accelerator facility for intermediate energy proton irradiation and testing of nuclear materials
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.3 ) Pub Date : 2021-01-05 , DOI: 10.1016/j.nimb.2020.12.020
S.J. Jepeal , A. Danagoulian , L.A. Kesler , D.A. Korsun , H.Y. Lee , N. Schwartz , B.N. Sorbom , E. Velez Lopez , Z.S. Hartwig

The bulk irradiation of materials with 10–30 MeV protons promises to advance the study of radiation damage for fission and fusion power plants. Intermediate energy proton beams can now be dedicated to materials irradiation within university-scale laboratories. This paper describes the first such facility, with an Ionetix ION-12SC cyclotron producing 12 MeV proton beams. Samples are mm-scale tensile specimens with thicknesses up to 300 μm, mounted to a cooled beam target with control over temperature. A specialized tensile tester for radioactive specimens at high temperature (500+ °C) and/or vacuum represents the conditions in fission and fusion systems, while a digital image correlation system remotely measures strain. Overall, the facility provides university-scale irradiation and testing capability with intermediate energy protons to complement traditional in-core fission reactor and micro-scale ion irradiation. This facility demonstrates that bulk proton irradiation is a scalable and effective approach for nuclear materials research, down-selection, and qualification.



中文翻译:

用于中等能量质子辐照和核材料测试的加速器设施

具有10–30 MeV质子的材料的整体辐射有望推动裂变和聚变电厂辐射损伤的研究。现在,中能质子束可专门用于大学规模实验室中的材料辐照。本文介绍了第一个这样的设施,它使用的是Ionetix ION-12SC回旋加速器,可产生12 MeV质子束。样品是毫米级拉伸样品,厚度可达300 μm,安装在可控制温度的冷却光束靶上。高温下放射性样品的专用拉伸测试仪(500+°C和/或真空代表裂变和聚变系统的条件,而数字图像关联系统则远程测量应变。总体而言,该设施可提供具有中等能量质子的大学规模的辐射和测试能力,以补充传统的核内裂变反应堆和微尺度的离子辐射。该设施证明,批量质子辐照是核材料研究,降级选择和鉴定的一种可扩展且有效的方法。

更新日期:2021-01-05
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