| abstract |
A method of manufacturing a particle type nuclear fuel rod according to an embodiment of the present invention is a step of forming a raw material alloy molten metal by mixing and melting a metal raw material, and manufacturing a nuclear fuel powder from a raw material alloy molten metal using a gas spraying method or a centrifugal spraying method. , Classifying the nuclear fuel powder according to the particle size, mixing the classified nuclear fuel powder at a predetermined ratio to form a mixed fuel powder, introducing the mixed fuel powder into a semi-fuel rod, and applying vibration to the semi-fuel rod to apply the mixed nuclear fuel powder Vibration filling step of controlling the filling density of the predetermined filling density, filling the inert gas to the semi-fuel rod, and welding the end stopper to the semi-fuel rod to form a nuclear fuel rod. |