研究目的
To optimize photon imaging for Non-Destructive Testing (NDT) using robotic sample positioning, digital image collection, and automated image analysis to feedback for positioning.
研究成果
The development of an X-ray and gamma ray imaging facility using a TRIGA MARK-II research reactor is now operational. Future work includes performing computed tomography to create 3-dimensional representations of objects and automating the image/alignment iteration process.
研究不足
The system is designed for use with MeV photons, which results in a relatively large resolution value. The need for precise sample positioning and the potential for radiation damage to equipment are also limitations.
1：Experimental Design and Method Selection:
The methodology involves using a TRIGA MARK-II reactor for X-ray and gamma-ray radiography, analyzing the energy spectrum with a NaI(Tl) scintillator detector, and using a digital X-ray camera for imaging.
2：Sample Selection and Data Sources:
A duplex wire-type penetrameter is used to analyze unsharpness and spatial resolution.
3：List of Experimental Equipment and Materials:
Includes a TRIGA MARK-II reactor, NaI(Tl) scintillator detector, digital X-ray camera, and an industrial manipulator for sample positioning.
4：Experimental Procedures and Operational Workflow:
The process involves positioning the sample with the robotic manipulator, capturing images with the digital camera, and analyzing the images for quality and resolution.
5：Data Analysis Methods:
The analysis includes determining the basic spatial resolution of the imaging system and evaluating the effects of various design parameters on image quality.
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