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2 430 818

(13)

(51)

IPC

B23K9/16(2006-01-01)

B23K9/23(2006-01-01)

C21D9/50(2006-01-01)

(21) (22)

Application

2010125461/02, 2010-06-21

(24)

Start date

2010-06-21

(22)

Actual filing date

2010-06-21

(45)

Published

2011-10-10

(72)

Inventor

Beljaev Anatolij LeonidovichZamuraeva Svetlana EfimovnaKodintsev Viktor Vasil'EvichNagovitsyn Pavel Gennad'EvichRomanova Tat'Jana AlekseevnaSemenov Aleksandr Nikolaevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mekhanicheskij Zavod"

MAKING WELDED JOINTS FROM ZIRCONIUM AND ITS ALLOYS Russian patent published in 2011 - IPC B23K9/16 B23K9/23 C21D9/50

Abstract RU 2430818 C1

FIELD: process engineering.

SUBSTANCE: invention relates to making welded joints of zirconium and its alloys. Proposed method comprises preparing edges for welding and fusion welding in protective atmosphere. Then, weld joint is conditioned by not abrasive materials. Surfaces of weld joint and thermal effects zone are processed. Now, annealing is performed and oxide film is applied. Surface processing is performed by ultrasound to depth of 1-150 mcm.

EFFECT: lower costs, higher fatigue life of metal.

1 tbl, 3 ex

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RU 2 430 818 C1

Authors

Beljaev Anatolij Leonidovich

Zamuraeva Svetlana Efimovna

Kodintsev Viktor Vasil'Evich

Nagovitsyn Pavel Gennad'Evich

Romanova Tat'Jana Alekseevna

Semenov Aleksandr Nikolaevich

Dates

2011-10-10—Published

2010-06-21—Filed