摘要
中子照相技术是在20世纪60年代发展起来的一种重要的无损检测技术手段,中子无损检测是利用中子穿透过被测样品材料,并检测中子通过待测样品材料后在通量上损失从而实现无损情况下对样品材料内部情况的检测。与X射线无损检测技术相比中子照相技术具有穿透能力强,可分辨轻元素以及同位素等优势,是最重要的无损检测技术手段之一,市场应用潜力及其巨大。本文详细介绍了中子照相技术的基本情况,包括中子照相技术的基本原理、国内外发展情况、中子照相系统组成以及应用领域等。中子照相技术最大困难为中子照相谱仪的小型化和可以动化,可移动便携式中子照相谱仪研发以及相关数据库的建设是该领域发展重要方向。
Neutron photography technology is an important non-destructive testing technology developed in the 1960s.Neutron non-destructive testing is that using neutrons to penetrate through the sample material to be tested and detecting the neutrons that pass through the sample material,then the internal conditions of the sample material can be confirmed by the neutron flux loss.Comparing with the X-ray non-destructive testing technology,neutron radiography has the advantages of strong penetrating ability and the ability to distinguish light elements and isotopes.Neutron radiography is one of the most important non-destructive testing techniques and has a huge market application.This paper introduces the basic situation of neutron radiography technology in detail,including the basic principle of neutron radiography technology,the development situation,the composition of neutron radiography system and its application fields.The biggest difficulty in neutron photography technology is the portability and mobility of neutron photography spectrometers.The research and development of mobile and portable neutron photography spectrometers and the construction of related databases are important research field.
作者
杨安波
弋然
Yang Anbo;Yi Ran(China Nuclear 404 Co.,Ltd.,Jiayuguan,China;ChenDu Nuclear Engineering Design&Research Institute Co.,Ltd.,404,Chengdu,China;Xi'an University of Finance and Economics,Xi'an,China)
出处
《科学技术创新》
2023年第12期22-25,共4页
Scientific and Technological Innovation
关键词
中子源
中子照相
中子无损检测
中子相机
neutron source
neutron radiography
non-destructive testing
neutron camera
