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2 087 256

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Application

94018436/02, 1994-05-20

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Actual filing date

1994-05-20

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Published

1997-08-20

(72)

Inventor

Dorofeev Ju.G.Dorofeev V.Ju.Sergeenko S.N.Bajdala Eh.S.Kosobokov I.A.Mirgorodskij I.V.Pljushchev A.V.Similejskij B.M.

(73)

Holder

Novocherkasskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF MANUFACTURE OF HIGH-DENSITY POWDER PRODUCTS WITH LONGITUDINAL PROJECTIONS AND RECESSES Russian patent published in 1997 - IPC

Abstract RU 2087256 C1

FIELD: powder metallurgy. SUBSTANCE: the offered method includes molding of blank with diameter of profiled surface unequal to diameter of projections of formed section. This diameter is determined by the formula given in the invention description. Blank is shaped in process of hot final densification with preliminary pressing-out with blank reduction to obtain porosity of 0.08 ± 0.01. EFFECT: higher uniformity in density distribution. 3 dwg, 1 tbl

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RU 2 087 256 C1

Authors

Dorofeev Ju.G.

Dorofeev V.Ju.

Sergeenko S.N.

Bajdala Eh.S.

Kosobokov I.A.

Mirgorodskij I.V.

Pljushchev A.V.

Similejskij B.M.

Dates

1997-08-20—Published

1994-05-20—Filed

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