Nuclear fuel rod with porous plug closure

Details Nuclear fuel rod with porous plug closure Nuclear fuel rod with porous plug closure

1984-08-31

1986-12-09

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376456, G21C 318

Patent

active

046279571

ABSTRACT:
A tubular sheath for particulate nuclear fuel has microporous retaining elements formed by winding metal strip about a central pin and pushing the resulting spiral into the sheath ends. The metal strip has transverse grooves formed by a photo-etching process which form axial gas passages narrow enough to prevent passage of fuel particles. Suitable materials for the strip include molybdenum and tungsten. A stainless steel strip can be used if a molybdenum or tungsten disc is placed between it and the fuel.

REFERENCES:
patent: 3573168 (1971-03-01), Campbell
patent: 3697377 (1972-10-01), Gauthron
patent: 3801447 (1974-04-01), Heenan
patent: 3953288 (1976-04-01), Johnson
patent: 3996100 (1976-12-01), Oguma et al.
patent: 4036691 (1977-07-01), Meadowcroft et al.
patent: 4163689 (1979-08-01), Grossman et al.
"Lectures on Fast Reactors", Karl Wirtz, available from A.N.S., La Grange Park, Ill. 60525, U.S.A., pp. 191, 192.

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