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2 444 426

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(51)

IPC

B23P15/28(2006-01-01)

C22C1/05(2006-01-01)

C22C29/08(2006-01-01)

(21) (22)

Application

2009143995/02, 2009-11-30

(24)

Start date

2009-11-30

(22)

Actual filing date

2009-11-30

(45)

Published

2012-03-10

(72)

Inventor

Kalmykov Vladimir Il'IchBorisenko Nikolaj IvanovichMolodyk Sergej Ul'RikhovichAndreev Viktor Nikolaevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

CUTTING TOOL FROM HARD ALLOY Russian patent published in 2012 - IPC B23P15/28 C22C1/05 C22C29/08

Abstract RU 2444426 C2

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of cutting tools from hard alloys. Proposed tool either is made entirely from solid alloy or is provided with plates from hard alloy consisting of grains of hard refractory elements, sized to 1-3 mcm, bonded by metal. Hard alloy additionally comprises nanopowder sized to 200 nm in amount of smaller than 20 wt % of alloy weight.

EFFECT: higher durability and quality of machined surface.

3 dwg, 1 ex

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RU 2 444 426 C2

Authors

Kalmykov Vladimir Il'Ich

Borisenko Nikolaj Ivanovich

Molodyk Sergej Ul'Rikhovich

Andreev Viktor Nikolaevich

Dates

2012-03-10—Published

2009-11-30—Filed