Method of manufacturing cladding tubes of a zirconium- based...

Details Method of manufacturing cladding tubes of a zirconium- based... Method of manufacturing cladding tubes of a zirconium- based...

C - Chemistry, Metallurgy

22

F

148/35.7

C22F 1/18 (2006.01)

Patent

CA 1211344

ABSTRACT In the manufacture of cladding tubes of a zirconium-based alloy for fuel rods for nuclear reactors by extrusion of the zirconium- based alloy and cold rollings of the extruded product with anneal- ings, intermediate annealings, between the cold rollings and a .beta.- quenching prior to the last cold rolling, a cladding tube is provided which has at the same time good corrosion properties and mechanical properties by performing the .beta.-quenching prior to a cold rolling, after which an intermediate annealing is performed at a temperature of 500-675 °C, and preferably at a temperature of 500-610 °C. !

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