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1 772 955

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IPC

(21) (22)

Application

4896881/27, 1990-12-27

(22)

Actual filing date

1990-12-27

(45)

Published

1995-11-10

(72)

Inventor

Borzov A.B.Borovikova S.I.Ginzhul A.V.Ivanov N.S.Ivanova E.V.Kondrat'Ev V.E.Krasjuk G.G.Matjukhin B.G.Pavlov A.G.Pol'Kin I.S.

METHOD FOR MANUFACTURING PRESSED BARS OF DISPERSION-STRENGTHENED ALLOYED NICKEL POWDERS Russian patent published in 1995 - IPC

Abstract SU 1772955 A1

FIELD: powder metallurgy. SUBSTANCE: method involves effectuating thermal deformation of dispersion-strengthened alloyed nickel powder containing γ ′-phase in excess of 70% under isostatic conditions at (0.85-0.9) of melting temperature T_melt and pressure of 1.000-1.500 atm; conducting extrusion within the temperature range of (0.88-0.91) of melting temperature T_melt; carrying out recrystallization annealing at temperatures making (0.9-0.98) of melting temperature T_melt. EFFECT: increased efficiency and improved quality of product. 1 tbl

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SU 1 772 955 A1

Authors

Borzov A.B.

Borovikova S.I.

Ginzhul A.V.

Ivanov N.S.

Ivanova E.V.

Kondrat'Ev V.E.

Krasjuk G.G.

Matjukhin B.G.

Pavlov A.G.

Pol'Kin I.S.

Dates

1995-11-10—Published

1990-12-27—Filed