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IPC

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Application

2000117414/06, 2000-07-03

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Start date

2000-07-03

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Actual filing date

2000-07-03

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Published

2002-12-10

(72)

Inventor

Rozhkov V.V.Chapaev I.G.Batuev V.I.Luzin A.M.Filippov E.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

METHOD FOR INSPECTING WELDS OF FUEL ELEMENTS Russian patent published in 2002 - IPC

Abstract RU 2194313 C2

FIELD: nuclear power engineering; manufacture of fuel elements for nuclear reactor fuel assemblies. SUBSTANCE: method involves pre- replacement of can by can section treated on ends, butt-jointing of these sections with extension bar to obtain desired length of fuel can, and upon electron-beam and resistance butt welding of can sections with standard plugs these sections are separated from extension bar and their welded joints are used for destructive metallographic analyses whose results are applied to fuel elements and serve to correct welding process. In addition weldment is made in advance by drilling one of ends of extension bar through length equal to inner diameter of can section, extension bar end being longitudinally cut in diametrically perpendicular direction. EFFECT: enhanced yield of fuel elements. 2 cl, 6 dwg

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RU 2 194 313 C2

Authors

Rozhkov V.V.

Chapaev I.G.

Batuev V.I.

Luzin A.M.

Filippov E.A.

Dates

2002-12-10—Published

2000-07-03—Filed

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