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1 133 894

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A2

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IPC

(21) (22)

Application

3592271/02, 1983-05-20

(22)

Actual filing date

1983-05-20

(45)

Published

1997-02-20

(72)

Inventor

Fokin G.D.Steklov O.I.Kosykh M.A.Komissarov V.G.

METHOD OF THERMAL TREATMENT ZIRCONIUM-BASED WELDED CONNECTIONS Russian patent published in 1997 - IPC

Abstract SU 1133894 A2

FIELD: welding. SUBSTANCE: method is distinguished with that, in order to render plasticity and corrosion resistance to welded connections, cooling following the welding is led to the temperature of beginning of polymorphous transformation. Thereafter welding joint is defocused by electron beam with velocity 5-10 times greater than welding velocity, and by current 1.5-2.0 times higher welding current and once more cooled to the temperature of beginning of polymorphous transformation. EFFECT: improved performance characteristics.

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SU 1 133 894 A2

Authors

Fokin G.D.

Steklov O.I.

Kosykh M.A.

Komissarov V.G.

Dates

1997-02-20—Published

1983-05-20—Filed

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