堆外核测量用裂变电离室铀膜均匀性研究

孙光智; 任才; 毛从吉; 张宓; 李树成; 刘文臻; 曾乐; 邱顺利; 程辉; 冯红艺; 徐玲; 王益元

doi:10.11889/j.0253-3219.2019.hjs.42.090603

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堆外核测量用裂变电离室铀膜均匀性研究

核能科学与工程 | 更新时间：2024-10-25

- 堆外核测量用裂变电离室铀膜均匀性研究
- Study on uranium film distribution of fission chamber used in nuclear instrumentation system
- 核技术 2019年42卷第9期文章编号：090603
- 作者机构：
  
  1.武汉第二船舶设计研究所武汉 430064
  2.生态环境部核与辐射安全中心北京 100082
  3.国核自仪系统工程有限公司上海 200241
- 作者简介：
  
  孙光智，男，1981年出生，2009年于兰州大学获博士学位，高级工程师，现从事核探测器及核测量技术研究
- 基金信息：
  
  国家科技重大专项课题(2019ZX06002012)
- DOI：10.11889/j.0253-3219.2019.hjs.42.090603
  中图分类号： TL816⁺.3
- 收稿日期：2019-05-07，
  
  修回日期：2019-06-20，
  
  纸质出版日期：2019-09-10
- 稿件说明：
移动端阅览
孙光智,任才,毛从吉等.堆外核测量用裂变电离室铀膜均匀性研究[J].核技术,2019,42(09):81-87.

SUN Guangzhi,REN Cai,MAO Congji,et al.Study on uranium film distribution of fission chamber used in nuclear instrumentation system[J].NUCLEAR TECHNIQUES,2019,42(09):81-87.
孙光智,任才,毛从吉等.堆外核测量用裂变电离室铀膜均匀性研究[J].核技术,2019,42(09):81-87. DOI： 10.11889/j.0253-3219.2019.hjs.42.090603.

SUN Guangzhi,REN Cai,MAO Congji,et al.Study on uranium film distribution of fission chamber used in nuclear instrumentation system[J].NUCLEAR TECHNIQUES,2019,42(09):81-87. DOI： 10.11889/j.0253-3219.2019.hjs.42.090603.

摘要

堆外核测量用裂变电离室铀膜厚度的均匀性对其测量准确性影响甚大，因此有必要探索适当的电镀工艺及检验方法，本文在对堆外核测量用裂变电离室铀膜厚度及分布特性研究的基础上，建立了一套能够用于裂变电离室圆筒形电极内壁铀膜厚度分布测量的装置，并利用该装置测量了采用竖直静置和水平动态两种工艺电镀的电极内部的铀膜厚度分布情况，对比分析了两种电镀工艺下铀膜成膜机理及分布差异原因，理论分析与实验结果吻合，可用于指导裂变电离室的生产工艺控制。

Abstract

Background

The uniformity of uranium film thickness in fission chamber used in nuclear instrumentation system (NIS) has a great influence on its measurement accuracy.

Purpose

This study aims to explore appropriate plating process and test method.

Methods

Based on the study of the distribution of uranium foil in the fission chamber of the NIS system

an instrument which can measure the thickness of uranium film on the inner surface of cylinder electrode of the chamber was set up. Two fission chamber samples

one was coated with a vertical electrodepositing techniques and the other was coated with a horizontal electrodepositing techniques

were measured by the instrument. The difference between them was analyzed and the mechanism of uranium film formation and causes of distribution differences were investigated.

Results

The results of the experiment are coincident with theoretical analysis.

Conclusion

This study can be used to guide the production process control of fission chamber.

关键词

Keywords

references

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