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(19)

(11)

2 613 240

(13)

(51)

IPC

B22F3/15(2006-01-01)

C22C29/02(2006-01-01)

C22B7/00(2006-01-01)

B22F9/14(2006-01-01)

(21) (22)

Application

2015119823, 2015-05-27

(24)

Start date

2015-05-27

(22)

Actual filing date

2015-05-27

(45)

Published

2017-03-15

(72)

Inventor

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet"

METHOD OF MAKING WORKPIECES OF TUNGSTEN-TITANIUM HARD ALLOY Russian patent published in 2017 - IPC B22F3/15 C22C29/02 C22B7/00 B22F9/14

Abstract RU 2613240 C2

FIELD: technological processes.

SUBSTANCE: invention relates to production of tungsten-titanium hard alloy workpieces. Method involves hot pressing powder in vacuum while passing high current through mold and pressed powder at a temperature of 1,320 °C for 3 minutes. Powder used is produced by electroerosion dispersion of wastes of hard alloy T15K6.

EFFECT: higher operational resistance.

1 cl, 10 tbl, 2 ex

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RU 2 613 240 C2

Authors

Dates

2017-03-15—Published

2015-05-27—Filed