Gadolinium sheet converter for neutron radiography

Area of Science:

• Materials Science
• Non-destructive Testing
• Nuclear Imaging

Background:

• Neutron radiography is a powerful non-destructive imaging technique.
• High-quality neutron converters are essential for effective neutron radiography.
• Existing gadolinium converters can be expensive to manufacture.

Purpose of the Study:

• To develop a cost-effective methodology for producing gadolinium sheet converters.
• To evaluate the performance of newly developed gadolinium converters for neutron radiography.
• To compare the performance of the new converters with existing market options.

Main Methods:

• Gadolinium chloride (GdCl3) was used as the converter material.
• A novel confection methodology was employed for sheet converter fabrication.
• Neutron radiography was performed using penetrameters, edge spread functions, and modulation transfer functions.
• Characteristic curves were generated for Kodak film sets.

Main Results:

• The developed gadolinium sheet converters are manufactured at a relatively low cost.
• The performance of the new converters is comparable to existing sheet converters on the market.
• Detailed neutron radiography data, including image quality metrics, were obtained.

Conclusions:

• The proposed methodology offers a viable and economical approach for producing gadolinium converters for neutron radiography.
• The new converters demonstrate competitive performance, making them a practical alternative for various applications.
• This work contributes to advancing cost-effective solutions in neutron imaging technology.