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IPC

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Application

5025305/02, 1992-02-07

(22)

Actual filing date

1992-02-07

(45)

Published

1994-09-30

(72)

Inventor

Мurav'Ev V.I.Мar'In В.N.Vojtov V.N.Рetrov А.М.Мel'Nichuk А.F.Graf F.Еh.

(73)

Holder

Кomsomol'Skij-Na-Аmure Aviatsionnyj Zavod Im.Ju.А.Gagarina

METHOD OF THERMALLY PROCESSING WORKPIECES FABRICATED FROM TITANIUM ALLOYS Russian patent published in 1994 - IPC

Abstract RU 2020187 C1

FIELD: thermal treatment of welded and stamped workpieces. SUBSTANCE: workpieces are heated in two stages inside furnace interior insulated by sand gate. First stage involves heating to a temperature of 150 - 200°C followed by holding for 2-3 hours, and second stage involves heating to temperatures of 500 - 700°C followed by holding for a time period between 0.25 and 2 hours. The furnace charge is formed so that the ratio of the volume of the furnace interior to the area of workpieces would not be greater than 0.05. EFFECT: enhanced strength characteristics and reliability of workpieces. 2 cl, 1 tbl

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RU 2 020 187 C1

Authors

Мurav'Ev V.I.

Мar'In В.N.

Vojtov V.N.

Рetrov А.М.

Мel'Nichuk А.F.

Graf F.Еh.

Dates

1994-09-30—Published

1992-02-07—Filed

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