Fuel rods, its manufacturing method and fuel assembly

Details Fuel rods, its manufacturing method and fuel assembly Fuel rods, its manufacturing method and fuel assembly

1996-08-09

1998-10-27

Carbone, Michael J.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

376416, 376457, G21C 300

Patent

active

058287159

ABSTRACT:
Fuel rod 2 has a fuel cladding tube 3, and upper end plug 5 and a lower end plug 6 welded to the ends of fuel cladding tube 3. He gas 1 and U pellets 4 are filled in the fuel cladding tube 3. The He gas pressure 1 is about 8 atm, and the average crystal grain size of the U pellet 4 is in the range of 30-60 .mu.m. The fuel rod can be manufactured at a lower manufacturing cost, while maintaining the fuel integrity the same as in a conventional fuel rod.

REFERENCES:
patent: 4664881 (1987-05-01), Ferrari et al.
patent: 4671927 (1987-06-01), Alsop
patent: 4683114 (1987-07-01), Ho et al.
patent: 4822559 (1989-04-01), Mogard
patent: 4869866 (1989-09-01), Lay et al.
patent: 4933136 (1990-06-01), Foster et al.
patent: 5257298 (1993-10-01), Yuda et al.
patent: 5341407 (1994-08-01), Rosenbaum et al.
patent: 5383228 (1995-01-01), Armijo et al.

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