Method of producing composite nuclear fuel cladding

Details Method of producing composite nuclear fuel cladding Method of producing composite nuclear fuel cladding

1986-07-14

1988-08-30

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

29407, 29517, 295275, 29906, 164469, 164494, B23P 1700, G21C 320

Patent

active

047666587

ABSTRACT:
A method of producing a composite nuclear fuel cladding lined with a liner of high purity zirconium characterized in that a raw material of zirconium sponge disposed in a hearth cavity is irradiated with an electron beam while controlling an amount of heat per unit volume (w.sec/mm.sup.3) according to an oxygen removal rate of the raw material determined by oxygen concentration of the raw material and a target oxygen concentration of an ingot for a liner to be refined, and zircaloy cladding is lined with the liner. The hearth cavity has a preferable shape in which the ratio of the cavity surface to the cavity volume is 0.20 mm.sup.-1 or larger.

REFERENCES:
patent: 3838288 (1974-09-01), Stolz et al.
patent: 4200492 (1980-04-01), Armijo et al.
patent: 4406012 (1983-09-01), Gordon et al.

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