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TVEL Fuel Company starts 3D-printing project of fuel assembly details

TVEL Fuel Company starts 3D-printing project of fuel assembly details

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Photo: tvel.ru

Date : Aug 24, 2017 02:40 PM

The additive technology supports to produce products with unique design

Rosatom enterprises start to develop a pilot 3D printing technology for fuel assemblies (FA). Specialists from the TVEL fuel company, the OKB Gidropress engineers and scientists from the High-tech Research Institute of Inorganic Materials and State Research Center (CNIITMASH) will take part in the scientific group that will work on the project.

The 3D-printing implementation into nuclear industry is a complex process. Products must keep in scale with technical specifications. It is necessary to ensure their uniform microstructure and mechanical properties, to minimize the porosity and implement the reactor substantiation of the structures.

Scientists from the High-tech Research Institute of Inorganic Materials will develop this innovation. Previously, powders for additive technologies were created there by the method of centrifugal dispersion. It In many respects superior in quality to foreign analogues.

«We plan to use the possibilities of additive technologies in the nuclear industry for manufacturing of all types FA components. First of all, these are the end parts: the head, the shank, the support grid, the anti-debris filter. They are quite difficult to manufacture by existing methods. So, 3D-printing supports to produce products with unique design», said Leonid Karpyuk, the High-tech Research Institute director.

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