反应堆乏燃料样品的中子成像检测初步研究

无损检测反应堆乏燃料棒内部结构是燃料辐照后性能评价的一项重要内容，相比其他射线检测方式，中子成像在强放射性燃料棒检测上有穿透性强、图像灵敏度高、间接成像可避免成像元器件辐照损伤等独特优势。本研究利用中国先进研究堆（China Advanced Research Reactor，CARR）中子成像设施，在中子注量率为1×10<sup>8</sup> n·cm<sup>-2</sup>·s<sup>-1</sup>、中子束流的准直比为63的试验条件下，分别采用间接成像法与直接成像法开展了带有人工缺陷的燃料棒模拟件与真实乏燃料样...

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Bibliographic Details
Published in:	He jishu
Main Authors:	汤琪, 李正耀, 王华才, 贺林峰, 朱桂杰, 武梅梅, 孙凯, 魏国海, 陈东风
Format:	Article
Language:	Chinese
Published:	Science Press 2025-10-01
Subjects:	中子成像乏燃料样品结构检测中国先进研究堆
Online Access:	https://www.sciengine.com/doi/10.3724/j.0253-3219.2025.hjs.48.240404

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