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2 542 197

(13)

(51)

IPC

C22C29/02(2006-01-01)

B22F3/12(2006-01-01)

B22F5/10(2006-01-01)

(21) (22)

Application

2013104284/02, 2013-02-04

(24)

Start date

2013-02-04

(22)

Actual filing date

2013-02-04

(45)

Published

2015-02-20

(72)

Inventor

Kalmykov Vladimir Il'IchMolodyk Sergej Ul'RikhovichPetrovskaja Tat'Jana MikhajlovnaBorisenko Nikolaj IvanovichShakhaeva Marina Gennad'EvnaZakharova Tat'Jana Jur'Evna

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Promyshlennosti I Torgovli Rossijskoj Federatsii

METHOD OF PRODUCING ARTICLES FROM SOLID ALLOY Russian patent published in 2015 - IPC C22C29/02 B22F3/12 B22F5/10

Abstract RU 2542197 C2

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy and can be used for fabrication of hard alloy end tool, Tungsten carbide ultrafine powder with particle size of 50-100 nm is added in amount of 2-5% of the article weight to tungsten carbide-based alloy with particle size of 1-3 mcm. This powder is compacted and annealed.

EFFECT: microstructure grain homogenisation, higher surface finish, ruled out mechanical surface finishing.

3 dwg, 1 ex

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RU 2 542 197 C2

Authors

Kalmykov Vladimir Il'Ich

Molodyk Sergej Ul'Rikhovich

Petrovskaja Tat'Jana Mikhajlovna

Borisenko Nikolaj Ivanovich

Shakhaeva Marina Gennad'Evna

Zakharova Tat'Jana Jur'Evna

Dates

2015-02-20—Published

2013-02-04—Filed