Process for the production of a screen plate for a fuel assembly

Induced nuclear reactions: processes – systems – and elements – Fission reactor material treatment – Impurity removal

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376352, G21C 19307

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active

058675507

ABSTRACT:
In a fuel assembly for a nuclear reactor and a process for the production of a screen plate for a foot of the fuel assembly, a particle trap is disposed in the foot of the fuel assembly in order to protect fuel rods of the fuel assembly from damage by foreign bodies. The particle trap is formed of a one-piece screen plate into which holes in the screen plate are worked by electrochemical material erosion. It is thereby possible to produce holes with geometrical dimensions and shapes which can only be achieved with difficulty in a casting process or by mechanical machining.

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