Method of manufacture of a hoop for the vessel of a nuclear reac

Details Method of manufacture of a hoop for the vessel of a nuclear reac Method of manufacture of a hoop for the vessel of a nuclear reac

1981-09-30

1983-10-11

Reynolds, B. A.

Electric heating

Metal heating

By arc

219149, 219 7614, 228184, B23K 900

Patent

active

044094663

ABSTRACT:
A method of manufacturing a hoop for a nuclear reactor vessel, equipped internally with projecting guide blocks serving for the guidance of the internal equipment. The method consists in coating an outer cylindrical hoop (1) of low-alloy steel internally with a thin plating (2) of stainless steel and in attaching supporting blocks (3) to the inside of this hoop, leaving bare an area of low-alloy steel of the hoop surrounded by the stainless steel plating (2), depositing on this hollowed area by arc welding a plating (34) of nickel-base alloy of Inconel type until a profile is obtained which projects with respect to the plating (2) of stainless steel, machining this plating (34) and then arc welding thereto a separate piece (35) of nickel-base alloy of Inconel type with addition of nickel alloy of Inconel type deposited in a groove (4) formed between the plating (34) and the separate piece (35).

REFERENCES:
patent: 2054939 (1936-09-01), Larson
patent: 2177868 (1939-10-01), Chapman

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