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KMID : 1151820190130040565
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Journal of the Korean Society of Radiology
2019 Volume.13 No. 4 p.565 ~ p.572
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Study on the Development of an Outdoor Radiographic Test Shield Using 3D Printer Filament Materials
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Mun Ik-Gi
Shin Sang-Hwa
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Abstract
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In this study, shielding analysis of material and thickness of 3D printer filaments was performed for the manufacture of custom shielding by radiation workers during outdoor radiographic test. The shielding was attached to the ICRU Slab Phantom after selecting the voxel source 192Ir and 75Se through simulation using MCNPX, and the distance between the source and the slab Phantom was set at 100 cm. The 12 shielding materials were divided into 5 mm units up to 200 mm from the absence of shielding materials to evaluate the energy absorbed per unit mass of each shielding material. The results showed that the shielding effect was high in the order of ABS + Tungsten, ABS + Bismuth, PLA + Copper, PLA + Iron from all sources of radiographic test. However, compared to lead, the shielding effect was somewhat lower. Based on this study in the future, further study of the atomic number and the high density filament material is necessary.
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KEYWORD
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Radiographic Test, 3D Printer Filament, MCNPX, Shielding Material
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