PROCESS FOR PRODUCING A ZIRCONIUM ALLOY SHEATH FOR THE FUEL OF A NUCLEAR REACTOR FUEL ELEMENT.

摘要

Process comprising forming a starting tube and then reprocessing the formed starting tube. For the reprocessing of the formed starting tube, we start by grinding it on its external surface then it is subjected to a terminal annealing treatment, by this grinding, we preferably remove a surface layer with a thickness of the order of 1 -10 m from the outside surface of the formed starting tube. The invention applies in particular to the sheaths used as fuel rods in the fuel elements of a water-cooled nuclear reactor.