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2 436 857

(13)

(51)

IPC

C22C1/05(2006-01-01)

C22C9/02(2006-01-01)

C22C9/08(2006-01-01)

(21) (22)

Application

2010134498/02, 2010-08-18

(24)

Start date

2010-08-18

(22)

Actual filing date

2010-08-18

(45)

Published

2011-12-20

(72)

Inventor

Efimochkin Ivan Jur'EvichLomov Sergej BorisovichGoncharov Igor' Evgen'EvichFedotov Sergej Vladislavovich

(73)

Holder

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

POWDER COMPOSITE MATERIAL Russian patent published in 2011 - IPC C22C1/05 C22C9/02 C22C9/08

Abstract RU 2436857 C1

FIELD: metallurgy.

SUBSTANCE: invention can be used at production of parts of friction units operating under temperature to 350°C. Powder composite material contains matrix on base of copper alloy and a reinforcing agent containing quazi-crystals of system Al-Cu-Fe, doped B, and Al₂O₃ at following ratios of components, wt %: quazi-crystals 5.0-6.0; Al₂O₃ 1.0-1.5; matrix - the rest. Matric can contain, wt %: tin 0.9-1.2; lead 18.0-22.0; copper - the rest.

EFFECT: material has high wear resistance, low coefficient of friction, high tensile strength and facilitates operability of friction parts in air medium.

3 cl, 1 tbl, 1 ex

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RU 2 436 857 C1

Authors

Efimochkin Ivan Jur'Evich

Lomov Sergej Borisovich

Goncharov Igor' Evgen'Evich

Fedotov Sergej Vladislavovich

Dates

2011-12-20—Published

2010-08-18—Filed