Nuclear fuel elements sealed by electric welding

Details Nuclear fuel elements sealed by electric welding Nuclear fuel elements sealed by electric welding

1974-06-27

1977-01-18

Engle, Samuel W.

176 68, 176 83, G21C 310

Patent

active

040037886

ABSTRACT:
A nuclear-fuel assembly has an end plug and is sealed except for a small diameter axial bore in the plug. A welding electrode of the same material as the plug has an end ground to a point. The tapered end is then inserted into the bore. Before the bore is sealed the assembly is filled with an inert-gas at high pressure. An electric welding current is then directed through the electrode and the plug to seal the bore.

REFERENCES:
patent: 3231476 (1966-01-01), Thome
patent: 3274070 (1966-09-01), Vanslager
patent: 3466226 (1969-09-01), Lass
patent: 3683148 (1972-08-01), Boyko et al.
patent: 3769158 (1973-10-01), Winders
patent: 3816248 (1974-06-01), Cayol et al.
patent: 3842238 (1974-10-01), Boyko et al.

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