Single peak radial texture zircaloy tubing

Details Single peak radial texture zircaloy tubing Single peak radial texture zircaloy tubing

1989-06-28

1991-02-05

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Nonconventional jacket or can material

72367, 72700, G21C 332

Patent

active

049903055

ABSTRACT:
A method of producing enhanced radial texture in zirconium alloy tubing suitable for use in forming cladding for nuclear fuel rods is provided. The tubing production method described herein employs a combination of mechanical expansion and heat treatment steps in the final stage of tubing formation to produce a single peak radial texture in the tubing, thereby imparting enhanced resistance to pellet-cladding-interaction to the finished tubing. The tubing is preferably processed to a diameter within less than about 10 to 20% of the desired final diameter, annealed, and expanded less than about 10 to 20% to the desired final diameter, thereby producing a unique radial texture in the finished tubing. In an alternative method, the finally expanded tubing is subjected to a final recrystallization anneal to produce a significantly enhanced split radial texture.

REFERENCES:
patent: 3689324 (1972-08-01), Wiener et al.
patent: 3804708 (1974-04-01), Nilson
patent: 4390497 (1983-06-01), Rosenbaum
patent: 4649023 (1987-03-01), Sabol
patent: 4765174 (1988-08-01), Cook et al.
patent: 4770847 (1988-08-01), Meyer et al.

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