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2 093 330

(13)

C1

(51)

IPC

(21) (22)

Application

4784145/02, 1990-01-19

(22)

Actual filing date

1990-01-19

(45)

Published

1997-10-20

(72)

Inventor

Dolotov B.I.

(73)

Holder

Komsomol'Skij-Na-Amure Aviatsionnyj Zavod Im.Ju.A.Gagarina

METHOD OF DETERMINING DIRECTION OF LIQUID METAL MOTION IN WELDPOOL Russian patent published in 1997 - IPC

Abstract RU 2093330 C1

FIELD: welding technology. SUBSTANCE: placed in lateral or longitudinal joint of weldable sample is suitable indicating metal which is not included in alloying system of alloy being investigated and is of melting temperature close to melting temperature of aforesaid alloy. Usable as indicating metal are radioactive isotopes. Sample is then welded up, cut into templates, and determined is concentration of indicating metal in certain points of welded seam. EFFECT: high efficiency. 3 cl, 5 dwg

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RU 2 093 330 C1

Authors

Dolotov B.I.

Dates

1997-10-20—Published

1990-01-19—Filed

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