Effect of part orientation and thickness on radiation shielding in FDM 3D printing of PET-G composite with tungsten
The mechanical and radiological shielding properties of a newly developed 3D printable composite material, FDM produced Prusament PETG Tungsten 75 %, were investigated in the present study. The filament has 75 % tungsten content and is recommended for use where structural integrity and effective X-r...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-09-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425020332 |
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| Summary: | The mechanical and radiological shielding properties of a newly developed 3D printable composite material, FDM produced Prusament PETG Tungsten 75 %, were investigated in the present study. The filament has 75 % tungsten content and is recommended for use where structural integrity and effective X-ray and gamma-ray attenuation are desirable. Tensile testing and SEM analysis were performed to investigate the mechanical strength and microstructural behavior of the filament. Radiation shielding effectiveness was determined through linear attenuation coefficients and half-thickness readings using various part orientations (0° and 90°) and thicknesses (1.5 mm and 5 mm). The mechanical testing identified slightly lower ultimate strength than the manufacturer's report but confirmed compatibility for load-carrying parts. Radiation-shielding performance was not statistically different by part orientation but did display strong dependence upon part thickness and photon energy. The findings justify the feasibility of PETG Tungsten 75 % as bespoke radiation-shielding parts in medical, industrial, and scientific applications. |
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| ISSN: | 2238-7854 |