建筑工程与管理

新型350kV氦离子注入系统的设计和应用

李进, 胡振东, 李可, 范平, 张乔丽

摘要


在先进核能系统的抗辐照结构材料研发过程中，基于加速器的多束离子辐照是目前唯一可快速模拟实际堆内工况下材料高剂量辐照损伤的技术。文中介绍了一个应用于三束辐照装置的350kV氦离子注入系统的设计和应用。该系统搭载潘宁源、间接加热式阴极（IHC）离子源，从源引出的He+离子经过最高350kV的加速后，经过静电透镜、磁分析器及导向器后注入靶样品。对改进型316Ti不锈钢进行注He及重离子高温辐照，采用透射电镜观察到在辐照样品注He区产生氦泡，氦泡位置与计算得到的注He区一致。

关键词


离子注入系统；三束辐照；氦离子；高温离子；设计与应用

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参考


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DOI: https://doi.org/10.33142/aem.v3i6.4364

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