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2 030 460

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Application

4478744/02, 1988-08-29

(22)

Actual filing date

1988-08-29

(45)

Published

1995-03-10

(72)

Inventor

Valiev R.Z.Korznikov A.V.Korznikova G.F.Stoljarov V.V.Nurmukhametov M.N.Salimgareev Kh.Sh.

(73)

Holder

Institut Problem Sverkhplastichnosti Metallov Ran

METHOD FOR MACHINING BLANKS FROM THE SYSTEM OF IRON-CHROMIUM-COBALT ALLOYS Russian patent published in 1995 - IPC

Abstract RU 2030460 C1

FIELD: metallurgy. SUBSTANCE: method involves production of ingot, heating it to a temperature of plastic deformation of α -solid solution followed by controllable cooling to the temperature of superplastic deformation at the rate of 80-1 C/s. Blanks are heated before deformation and their temperature is maintained during deformation in electromagnetic field whose frequency is determined by the formula submitted in the description. EFFECT: higher workability of process achieved by forming ultrafine-grained structure while retaining the level of magnetic properties. 2 tbl

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RU 2 030 460 C1

Authors

Valiev R.Z.

Korznikov A.V.

Korznikova G.F.

Stoljarov V.V.

Nurmukhametov M.N.

Salimgareev Kh.Sh.

Dates

1995-03-10—Published

1988-08-29—Filed

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