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2 022 710

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Application

4944267/02, 1993-06-11

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Actual filing date

1993-06-11

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Published

1994-11-15

(72)

Inventor

Efimov O.Ju.Zaripov N.G.Kajbyshev O.A.Pitjulin A.N.Borovinskaja I.P.Merzhanov A.G.

(73)

Holder

Institut Problem Sverkhplastichnosti Metallov Ran

METHOD TO MACHINE WORKPIECES FROM HARD ALLOYS AND CARBIDES OF TRANSITION METALS Russian patent published in 1994 - IPC

Abstract RU 2022710 C1

FIELD: metallurgy. SUBSTANCE: workpiece is deformed through several stages with deformation degree of 20 per cent and higher at any stage with 100 C temperature decrease at any stage, with total temperature degree not lower than 0.42 of carbide phase melting point during deformation process. Deformation rate ranges from 0.1 to 50 mm/min beginning from 0.56 temperature of carbide phase melting point. EFFECT: improved hardness. 2 cl, 1 tbl

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RU 2 022 710 C1

Authors

Efimov O.Ju.

Zaripov N.G.

Kajbyshev O.A.

Pitjulin A.N.

Borovinskaja I.P.

Merzhanov A.G.

Dates

1994-11-15—Published

1993-06-11—Filed

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