ROSATOM Completes A New Milestone In ATF Development Program

ROSATOM has achieved a scheduled milestone in the development of Russian accident tolerant fuel (ATF).

The Research Institute of Atomic Reactors (NIIAR) has completed the second cycle of irradiation of the experimental fuel assemblies with VVER and PWR fuel rods in the MIR research reactor.

Each fuel assembly contains 24 fuel elements with four various combinations of cladding and fuel matrix materials.

Fuel pellets were made of traditional uranium dioxide, as well as uranium-molybdenum alloy with increased density and thermal conductivity.

Zirconium alloy with a chromium coating and chromium-nickel alloy were either used as the rod cladding material.

More details in the ROSATOM’s Press Release.