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2 010 677

(13)

C1

(51)

IPC

(21) (22)

Application

5015040/02, 1991-12-02

(22)

Actual filing date

1991-12-02

(45)

Published

1994-04-15

(72)

Inventor

Novikov N.P.Molotkov A.V.Bondarev B.I.

(73)

Holder

Aktsionernoe Obshchestvo Institut Legkikh Splavov"

METHOD OF MAKING POROUS PELLETS OF TITANIUM ALLOYS Russian patent published in 1994 - IPC

Abstract RU 2010677 C1

FIELD: powder metallurgy. SUBSTANCE: method comprises steps of layer-wise filling different-size pellets in a shaping fitting, subsequent baking of each layer in vacuum or in inert atmosphere at temperature range, having a lower boundary 1210 C and an upper boundary, being by 10 C less, than liquidus temperature of the pellet material; filling the first layer into a fitting, having recesses for forming porous strengthening members of pellets on a surface of an article, being made. EFFECT: simplified manufacturing process. 2 cl, 1 tbl

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RU 2 010 677 C1

Authors

Novikov N.P.

Molotkov A.V.

Bondarev B.I.

Dates

1994-04-15—Published

1991-12-02—Filed

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