Analysis of a Prototype Multi-Detector Fast-Neutron Radiography Panel

IF 2.6 3区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Journal of Nondestructive Evaluation Pub Date : 2024-08-07 DOI:10.1007/s10921-024-01106-4

Christian X. Young, Chloe A. Browning, Ryan J. Thurber, Matthew R. Smalley, Michael J. Liesenfelt, Jason P. Hayward, Nicole McFarlane, Michael P. Cooper, Jeff R. Preston

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Abstract

A multi-detector fast neutron radiography panel was built using the previous work on scalable neutron radiography using the IDEAS ROSSPAD readout module. A new aluminum housing was built to accommodate a large number of detectors tiled together. Additional changes to startup and processing code were made to operate the detector as one cohesive unit. Spatial resolution of the full panel using Cs-137 gammas was reported to be 0.42 line pairs per centimeter at 90% MTF and 2.09 line pairs per centimeter at 10% MTF. Three neutron radiographs generated using a Cf-252 fission neutron source were used to determine the spatial resolution of the panel for neutrons. The experiments had 90% MTF values of 0.24, 0.3, and 0.27 line pairs per centimeter and 10% MTF values of 1.30, 1.46, and 1.40 line pairs per centimeter. An example neutron radiograph was also used to prove that the radiography panel can perform true neutron radiography.

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多探头快速中子射线成像板原型分析

利用之前使用 IDEAS ROSSPAD 读出模块进行的可扩展中子射线照相术工作，建立了一个多探测器快中子射线照相术面板。还建造了一个新的铝制外壳，以容纳大量拼接在一起的探测器。此外，还对启动和处理代码进行了修改，以使探测器作为一个整体运行。据报告，使用 Cs-137 伽马射线的全面板空间分辨率在 90% MTF 时为每厘米 0.42 线对，在 10% MTF 时为每厘米 2.09 线对。使用 Cf-252 裂变中子源生成的三张中子射线照片用于确定面板的中子空间分辨率。实验的 90% MTF 值分别为每厘米 0.24、0.3 和 0.27 线对，10% MTF 值分别为每厘米 1.30、1.46 和 1.40 线对。此外，还使用了一个中子射线照相实例，以证明射线照相板能够进行真正的中子射线照相。

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来源期刊

Journal of Nondestructive Evaluation 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

7.10%

发文量

审稿时长

9 months

期刊介绍： Journal of Nondestructive Evaluation provides a forum for the broad range of scientific and engineering activities involved in developing a quantitative nondestructive evaluation (NDE) capability. This interdisciplinary journal publishes papers on the development of new equipment, analyses, and approaches to nondestructive measurements.