In an exciting breakthrough, researchers have achieved the first successful production of uranium-based monoliths using vat photopolymerization, setting the stage for advanced nuclear applications. This cutting-edge process employs uranyl cations as photocatalysts in additive manufacturing, a novel approach that could revolutionize the field.
Uranium, essential in nuclear physics and radiopharmacy, has long been difficult to work with in 3D printing due to its complex photochemistry. However, this study showcases a new synthesis protocol that integrates uranyl cations into photocurable sol–gel formulations. By combining the unique photochemical reactions of uranyl ions with vat photopolymerization, specifically Digital Light Processing (DLP), the team has developed a method to produce detailed 3D printed structures.
These intricate structures are then transformed into uranium dicarbide (UC2)/carbon nanocomposites through carbothermal reduction. This process allows for the creation of complex, micro-architected uranium components with precise geometric control, which are crucial for reactor components and nuclear fuel architectures. The high resolution of the DLP technique enables the production of parts with intricate details and functional porosity, enhancing thermomechanical performance and gas transport in nuclear fuels.
This study not only demonstrates the feasibility of directly patterning uranium-based materials but also opens up new possibilities for the design and functionality of nuclear materials. The ability to create high-fidelity, complex structures with uranium could significantly impact the development of advanced nuclear technologies.
With this pioneering method, the future of uranium in additive manufacturing looks brighter than ever, promising enhanced design and performance of nuclear components.
Source: https://onlinelibrary.wiley.com/doi/10.1002/adfm.202406916?af=R