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2 133 178

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Application

97121429/02, 1997-12-09

(22)

Actual filing date

1997-12-09

(45)

Published

1999-07-20

(72)

Inventor

Merkulov V.I.Dolotov B.I.Murav'Ev V.I.Mar'In B.N.Ivanov Ju.L.

(73)

Holder

Komsomol'Skoe-Na-Amure Aviatsionnoe Proizvodstvennoe Ob"Edinenie

TITANIUM ALLOY ARGON ARC WELDING METHOD Russian patent published in 1999 - IPC

Abstract RU 2133178 C1

FIELD: mechanical engineering; production of welded titanium constructions. SUBSTANCE: welding of titanium alloys is carried out with nonconsuming flat-tyre electrode with two tips arranged in tandem is argon atmosphere. Distance between electrode tips is found from equation t ≤ 0,013•Iw where t is tip-to-tip distance, mm; Iw is welding current, A; 0.013 is argon-arc welding coefficient, mm/a. EFFECT: elimination of hydrogen porosity, possibility of dispensing with operations for preparing surfaces to be butt-welded, and correction of welding defects. 1 cl, 1 dwg

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RU 2 133 178 C1

Authors

Merkulov V.I.

Dolotov B.I.

Murav'Ev V.I.

Mar'In B.N.

Ivanov Ju.L.

Dates

1999-07-20—Published

1997-12-09—Filed

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