Accelerator based fast radiography system for the non destructive analysis and some applications in Turkey
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Date
2014-07-23
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IAEA
Abstract
Different radiography imaging techniques such as x, gamma and neutron grapy are well established techniques for the nondestructive testing (NDT) of materials. But Fast Neutron Radiography (FNR) is relatively new and is being developed. Using this technique all materials such as high density metals, loaded plastics, cadmium, lead, tungsten, concrete etc. can be analyzed. Compare to the other techniques fast neutrons enable non-destructive testing of thicker object
The FNR studies were initiated in Turkey at 2007. The aim of this project was to set up a portable fast neutron radiography (FNR) system and to test it for use in nondestructive testing of different composite materials. In the fast neutron radiography systems accelerator based neutron generators are used which requires a particle accelerator and a target. Proton or deuteron beam is accelerated to the desired energy and bombards the target material to produce fast neutrons by a nuclear reaction. DT neutron source was used fusion of a deuterium and a tritium atom (D + T) results in the formation of a He-4 ion and a neutron with a kinetic energy of approximately 14.1 MeV. In this study we have only demonstrated a portable digital fast neutron radiography system and some images of the different composite materials to show efficiency. Experiments were carried out by using fast portative neutron generator Thermo Fischer MP320 and Low Energy Ion Accelerator Sames T400 at Çekmece Nuclear Research and Training Centre.
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Keywords
Neutrone imaging, Nötron görüntüleme, Radiography, Radyografi, Fast neutrone, Hızlı nötron
Citation
Bıyık, R. ve Kam, E. (2014). Accelerator based fast radiography system for the non destructive analysis and some applications in Turkey. IAEA Technical Meeting (F1-TM-47159) on RR User Networks: Standardization of Neutron Imaging for Industrial Applications, 23-26 June 2014. Vienna, Austria.