Fuel assembly for nuclear reactor and manufacturing method there

Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements

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376457, 376416, 376420, 148421, 148672, 148668, 148516, 252518, 252635, G21C 334

Patent

active

055966152

ABSTRACT:
A fuel assembly avoiding the generation of irradiation damage, a Zr alloy used for the same, and a manufacturing method thereof. According to one embodiment, a super-saturated solid-solution Zr alloy powder having a crystal grain size in the range of 1000 nm or less and containing Fe, Ni and Cr is prepared by mechanical alloying, and the alloy powder is subjected to HIP, hot-working, cold-working and final heat-treatment.

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