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2 150 095

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C1

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IPC

(21) (22)

Application

98120811/28, 1998-11-20

(24)

Start date

1998-11-20

(22)

Actual filing date

1998-11-20

(45)

Published

2000-05-27

(72)

Inventor

Semenov V.N.

(73)

Holder

Oao Ob"Edinenie Ehnergeticheskogo Mashinostroenija Im. Akad. V.P. Glushko"

PROCESS OF PREPARATION OF SPECIMEN OF METAL Russian patent published in 2000 - IPC

Abstract RU 2150095 C1

FIELD: physical metallurgy. SUBSTANCE: invention is specifically related to study of processes of interaction of surface layer of metal with molten metal medium, for instance, liquid solder in process of brazing. Process of preparation of specimen of metal consists in manufacture of vessel with cylindrical recess from alloy-treated steel, for example. Solder in the form of comminuted chips or powder is put in recess of specimen. Vessel is closed with lid having hole and lid is welded to vessel. Prepared specimen is placed into chamber of electron-beam installation where vacuum of 1x10-4 mm Hg is formed, hole in lid is welded by electric beam welding with obtainment of weld. EFFECT: diminished effect of gas atmosphere on emergence and growth of cracks in specimen during test that provides for increased degree of purity of experiment. 6 cl, 1 dwg

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RU 2 150 095 C1

Authors

Semenov V.N.

Dates

2000-05-27—Published

1998-11-20—Filed

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